He asked if we ____swim and offered to teach us if we____.A.can;willB.could;wouldC.can;won'tD.could;wouldn't

问题描述:

He asked if we ____swim and offered to teach us if we____.
A.can;will
B.could;would
C.can;won't
D.could;wouldn't

b
从句用过去时态

B

选B [他问我们是否会游泳,如果我们要的话,他愿意教我们.]
本题考察宾语从句,主句的动词是过去式,从句的动词也要用相应的过去形式.

B.could;would
第一个空是表示能够,第二个空表示愿意