Ⅰ. 单项填空（每小题1分, 共15分）
1. Tom put his heart into the wildlife research, and finally, his efforts _______ him great success and fame.
A. saved B. earned
C. made D. offered
2. You should _______ your post, or you will be punished by your manager.
A. stick to B. insist on
C. persist in D. keep on
3. _______ on a true story, the film is well worth _______.
A. To base; to see B. Based; seeing
C. Basing; being seen D. Basing; seeing
4. The work we are doing is quite difficult, so your support will certainly _______.
A. make any difference B. make a difference
C. be very different D. be of some difference
5. My parents will move back into town in a year or _______.
A. later B. after
C. so D. about
