一Did you notice __________________ in his office？
一Yes，he was going over our homework.
A．how Mr.Li was doingB．what is Mr.Li doing
C．what Mr.Li was doing
I like smart clothes ____are made of silk.（ ）
| A． |
who |
B． |
which |
C． |
what |
Please hurry up!The plane will _______________in half an hour.（ ）
| A． |
take up |
B． |
take after |
C． |
take off |
Only at that time ___________that he was wrong.（ ）
| A． |
he realized |
B． |
did he realize |
| C． |
he did realize |
D． |
___________ helpful advice she gave me on how to get on with others!（ ）
| A． |
What |
B． |
What a |
C． |
How |
I was deeply moved by the film，Hi，Mum.I think it's well worth _____________.（ ）
| A． |
to watch |
B． |
watch |
C． |
watching |