P205
Structure
No.3
while doing 两者同时发生
while sb was doing 当......时候
能用while; as 的地方就可以用 when, 反之则不一定.
A
when 后的时间表达既可以是点, 也可以是段.
while 后的时间表达只可以是段.
as 等同于 while.
No. 7
send = take / give
send / take / give sb sth
双宾语一般用离动词最近的宾语来做被动语态的主语.
sb be send sth
send sth to sb
sth be send to sb
C
No. 6
对名词的提问用what
D
No. 10
contain / container
include 指一种抽象的包含
B
No.12
a time 一段时间
for a long time
after a time = after some time
No. 9
C