1 . We didn’t know you were in trouble at that time, otherwise we ________ you a hand.

A．gave

B．had given

C．would give

D．would have given

2 . —Would you ___ him how to deal with it, had it been possible?
—Yes, but I ____too tired, or I _____ him a hand.

A．tell; was; would

B．have told; was; would have given

C．have told; was; would give

D．have told; were; would have given

3 . 我乐意帮助你。（汉译英）

4 . My friends _________________________________ whenever I am in trouble.
每当我有困难，我的朋友们总是出手相助。