C. If
D. Although
10. A. around
B. with
C. about
D. on
11. A. work
B. task
C. job
D. place
12. A. on
B. with
C. after
D. by
13. A. thought
B. idea
C. thinking
D. talk
14. A. for
B. in
C. with
D. on
15. A. reap
B. harvest
C. benefit
D. lead
答案:
1.need to know 2. at 3.diet 4.spend 5. in
6.whether 7.To complete 8.as 9.Once 10.on
11.job 12.by 13. thought 14. in 15.benefit