1．An anti－corruption campaign has continued________Dec.25，2017 when the Communist Party of China issued a five－year anti－corruption plan.________you consider things from his point of view.
A．if
B．once
C．as
D．until
3．He hasn’t got any hobbies，________you call watching TV a hobby.
A．when
B．if
C．unless
D．since
4．Students’ active performances in class will be the new normal________teachers give them more chances.
A．although
B．once
C．until
D．since
5．This is a very interesting book. I’ll buy it，________.
A．how much may it cost
B．no matter how it may cost
C．however much it may cost
D．whatever may it cost
6．________I can’t fully understand what his music conveys，his performance is quite impressive.
A．As
B．Since
C．If
D．While
7．He found it increasingly difficult to read，________his eyesight was beginning to fail.
A．though
B．for
C．but
D．so
8．—Did he come back early last night?
—Yes.It was not yet eight o’clock________he arrived home.
A．when
B．that
C．before
D．until
9．—Can a person enjoy the pleasure from his work?
—________he can have his interests and the work combined.
A．Although
B． Since
C．While
D．Unless
10．He was so deep in thought，thinking of the problem________he knocked into the tree without noticing it.
A．when
B．while
C．because
D．that
11．—No one can achieve anything of real significance________he works very hard.
—I got it，Dad.I’ll study hard from now on.
A．because
B．if
C．unless
D．when
12．He tried his best to solve the problem，________difficult it was.
A．however
B．no matter
C．whatever
D although
13．—Did you remember to give Jack the book?
—Yes，I gave it to him________I saw him.
A．while
B．immediately
C．once
D．suddenly
14．Can I have your name and your telephone number ________ we can touch you when we have news?
A．so that
B．even though
C．in case
D．as long as
15．I quite enjoy painting pictures，________I know that I do not have what it takes to reach the top.
A．since
B．unless
C．if
D．though
16．Actually，________we’re done a lot to develop a low－carbon economy________you have signed the contract with them，there is no point in discussing the price.
A．Even if
B．As though
C．Now that
D．As soon as
18．—How did she find the trip to America last month?
—She had so good a time________she visited the Statue of Liberty.
A．where
B．when
C．that
D．until
19．Teachers can get promoted________they spend three years working here.
A．even if
B．as long as
C．as far as
D．in case
20．—So，________your misfortunes，you should try to stay busy and bear in mind that everyone gets one opportunity or another if they keep trying.
—Thanks，I will.
A．however
B．whateverWe don’t need magic to change the world________we carry all the power we need inside ourselves already: the power to imagine better，said J．K.Rowling.
A．though
B．unless
C．before
D．when
22．He says________difficulty you meet with in your work，you can turn to him for help.
A．how
B．however
C．what
D．whatever
23．When my father and I traveled to Shanghai，he asked me to take a picture of him________stands the famous Oriental Pearl TV Tower.
A．that
B．where
C．which
D．there
24．________he visited，he wasted no time hearing farmers’ voices at home and in the fields.
A．Each time
B．In case
C．Even if
D．In time
25．________you have got a job，you should learn to be independent of your parents.
A．So
B．Although
C．Before
D．Now that
26．I took my ID card with me on holiday，________I wanted to live in a hotel.
A．in case
B．ever since
C．even if
D．if only
27．Don’t press the red button，________you will set off the alarm.
A．but
B．or
C．so
D．and
28．________much advice I gave her，she did what she wanted to do.
A．However
B．Whatever
C．How
D．No matter
29．Tourism，________it brings in money to a country，can also result in damage to the World Heritage Site there.
A．once
B．while
C．if
D．as
30．My daughter stared at me，angrily，________I were her wicked stepmother.
A．even if
B．only if
C．if only
D．as if