11. As we know, all animals need air, and ____.

　　A. so plants do

　　B. nor do plants

　　C. so do plants

　　C. plants need so

　　12. My sister is used to ____ with all the windows open.

　　A. sleep

　　B. sleeping

　　C. the sleeping

　　D. have slept

　　13. If you want to telephone him, you’ll have to ______ up the number in the book.

　　A. look

　　B. see

　　C. find

　　D. search

　　14. The enemy troops _____ heavy losses in the battle.

　　A. suffered

　　B. received

　　C. accepted

　　D. met

　　15. He suddenly returned _____ a Sunday morning.

　　A. on

　　B. at

　　C. in

　　D. during

　　16. He was seen ____ a tailor’s shop.

　　A. enter

　　B. entered

　　C. to enter

　　D. enters

　　17. Let me give you _____.

　　A. such an advice

　　B. some advices

　　C. an advice

　　D. some advice

　　18. Four people were seriously _____ in an accident on the motorway.

　　A. injured

　　B. damaged

　　C. spoiled

　　D. broken

　　19. John went to town yesterday and had his bike _____ there.

　　A. to repair

　　B. repaired

　　C. repairing

　　D. repair

　　20. Mother _____ stories when we were young.

　　A. was used to tell

　　B. is used to telling

　　C. used to tell

　　D. used to telling