Not until he left his home __________ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．he began | D．he has begun |
These machines can help recycle the waste which would ______be thrown away.
| A．otherwise | B．therefore | C．however | D．though |
As a serious candidate, you should try your best to make a good ______ on everyone you meet.
| A．position | B．impression | C．decision | D．situation |
All of ______ sudden, a terrible animal appeared and all the people held still in _____ terror..
| A．a; the | B．/;/ | C．the; the | D．a; / |
— How do you find the new book by JK Rowling?
—__________. I guess she is out of her talent.
| A．With the help of my mother. | B．By accident. |
| C．Very boring | D．In the library. |
French _________ English _________ having gender(性的区别) for all nouns.
| A．different from; in | B．is different; from |
| C．differs from; in | D．differs, from |