【正文】
____ (and, or, nor) Tom ate the cake. ? 6. Neither Mike ____ (and, or, nor) Rose likes English. ? 7. ________ (If, When, Because) he came home, his father was watching TV. ? 8. I’ll visit my uncle _______ (when, if, after) it’s fine tomorrow. ? 9. Bob stayed at home _______ (because, if, before) he was sick. ? 10. Her mother tried to do something, _______ (so, because, but, that) she couldn’t do anything. ? 11. We can do great things for our town ______ (if, but, what, before) we work together. ? 12. I think you’ve learned a lot in China _______ (before, since, if, that) you came here. ? 13. Go to see the doctor at once, ______ (or, and, so) your cold may get worse. ? 14. Which do you like better, cats _____ (or, and, but) dogs? ? Keys: ? I. 1. what 2. when 3. whether 4. why 5. which ? 6. how 7. that 8. who 9. how many 10. how long ? II. 1. and 2. but 3. or 4. and 5. or 6. nor 7. When ? 8. if 9. because 10. but 11. if 12. since 13. or 14. or