—Have you been to the Great Wall?
—Perhaps not in my memory.________，it might have been during my early childhood.
| A．If any | B．If so |
| C．If ever | D．If not |
—Mum，I am afraid I won’t do well in the coming test.
—Honey，________more careful，________you will make it.
| A．is；so | B．be；and |
| C．be；then | D．being；and |
No, I’m too busy right now. Please give me an hour, _____?
| A．do you | B．don’t you | C．am I | D．OK |
________a certain doubt among the people as to the practical value of the project.
| A．It has | B．They have |
| C．It remains | D．There remains |
You and I could hardly work together, ______?
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
--- I hear that Jane has achieved great success.
--- ________ and __________.
| A．So she has; so have you | B．So she has; so you have |
| C．She has so; so have you | D．So she does; so do you |
---Do you have any idea what Hawk does all day?
--- I know he spends at least as much time watching TV as he _______.
| A．does writing | B．writes | C．is writing | D．spends on writing |
______it is to jump into a pool or go swimming in the sea when you visit Hawaii!
| A．What fun | B． What a fun | C． How fun | D．How a fun |
Small _____ it is, the pen is a most useful tool.
| A．because | B．so | C．if | D．as |
“Only two centimeters higher, _______break the world record,” encouraged the coach.
| A．you will | B．and you will | C．or you will | D．will you |