You should your hands if you want to ask teachers for help. A. give upB. fix upC. cheer u

问题补充：

You should your hands if you want to ask teachers for help.

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：

这题考查词组辨析：give up放弃， fix up安装，cheer up振作起来，put up举起，句意是：如果你想向老师请教就应该举起手。选D.