从 A、B、C、D 四个选项中选出一个可以填入空白处的最佳选项。
1. Take exercise every morning _________ you’ll be able to keep fit.
A. or B. and C. but D. so
2. Tony ________ TV when I visited him yesterday .
A. watch B. had been watching C.has watched D. was watching
3. Can you finish _________ the novel this afternoon.
A. read B. to read C. reading D. on reading
4. ---Is Tom _____ honest boy?
---Yes. As far as I know, he has never told ____ lie.
A. a; a B. a; / C. an; a D.an; /
5. I have many good friends, ______ are from Shanghai Yucai High School.
A. who B. that C. which D. whose