You should your hands if you have any problems. A. give upB. fix upC. cheer upD. put up

问题补充：

You should your hands if you have any problems.

A. give up

B. fix up

C. cheer up

D. put up

答案：

A. give up

B. fix up

C. cheer up

(答案→)D. put up

解析：句意:如果你有什么问题你应该举起手来。give up 放弃；fix up 修理；cheer up 振作起来；put up 抬起，举起。根据句意可知，有问题应该举手，故选D。