新概念英语第二册24-02

4. it 形式主语

it+be动词+形容词+to do

D正确

be able to

it+be动词+表语

5.must have been done

对过去的一种被动语态的推测

must have done:对过去的一种推测

I'm sure I think

9.a large sum of money

A正确 amount of

an amount of+不可数(a large amount of)

plenty of

10.be going to打算，计划

want to

喜欢 I want it

Lesson 22

dream v.做梦，梦想

age n.年龄

channel n.海峡

throw v.扔，抛

have a dream

dream a dream

have a good dream

sweet

have a good /sweet dream