问题
选择题
She searched all the places where she _____ have left her necklace but it was all in vain.
A.might
B.would
C.could
D.should
答案
答案:A
考察情态动词。 A. 可能;也许 B. 将要 C. 能够 D. 应该。句意:她找遍了所有她可能留下她的项链的地方,但是她白忙了。选A。