Lucy _____ read a book when she was young.A.can'tB.couldn'tC.shouldn'tD.wasn't

问题描述:

Lucy _____ read a book when she was young.
A.can't
B.couldn't
C.shouldn't
D.wasn't

B could是can的过去式,表示没有能力做某事!这是一个由when引导的时间状语