語法復習六：狀語從句
a. because b. however c. when d. since
8. _____ still half drunk, he made his way home.
a. when b. because c. though d. as
9. _____ she was very tired, she went on working.
a. as b. although c. even d. in spite of
10. busy _____ he was, he tried his best to help you.
a. as b. when c. since d. for
11. i learned a little russian _____ i was at middle school.
a. though b. although c. as if d. when
12. _____ we got to the station, the train had left already.
a. if b. unless c. since d. when
13. _____ the rain stops, we' 11 set off for the station.
a. before b. unless c. as soon as d. though
14. she was _____ tired _____ she could not move an inch.
a. so, that b. such, that c. very, that d. so, as
15. we didn’t go home _____ we finished the work.
a. since b. until c. because d. though
16. i'll stay here _____ everyone else comes back.
a. even if b. as though c. because d. until
17. although it's raining, _____ are still working in the field.
a. they b. but they c. and they d. so they
18. speak to him slowly _____ he may understand you better.
a. since b. so that c. for d. because
19. you'll miss the train ______ you hurry up.
a. unless b. as c. if d. until
20. when you read the book, you' d better make a mark _____ you have any questions.
a. at which b. at where c. the place d. where
21. we'd better hurry ______ it is getting dark.
a. and b. but c. as d. unless