问题补充:
We should try our best to those people after the disaster.
A. break out
B. cheer on
C. break up
D. cheer up
答案:
A. break out
B. cheer on
C. break up
(答案→)D. cheer up
解析:考查词组:A. break out爆发B. cheer on加油C. break up分手,解体D. cheer up振作起来,句意:我们要尽力使受灾的人振作起来。选D。