6. ——Do you know ______?

　　——Sorry, but if he _____ back, I ____ you know as soon as possible.

　　A. when will he be back, comes, will let

　　B. when he will be back, will come, will let

　　C. what time will he be back, will come, let

　　D. what time he will be back, comes, will let

　　7. We ____ to the park if it is fine tomorrow.

　　A. will go

　　B. have gone

　　C. go

　　8. A new shoe factory will ______ in this part of the city.

　　A. be building

　　B. be built

　　C. build

　　9. ——______ all your things, Tom! I hate them here and there.

　　——Ok, Mom.

　　A. Put up

　　B. Put on

　　C. Put down

　　D. Put away

　　10. —— How about going hiking this weekend?

　　—— Sorry, I prefer ____ rather than _____.

　　A. to stay at home, go out

　　B. to go out, stay at home

　　C. staying at home, go out

　　D. going out, stay at home