问题补充:
— Hi, Tom.Any idea where Mary is? .
一 Shein the reading room.I saw her there just now.
A. shall be
B. should have been
C. should be
D. might have been
答案:
A. shall be
B. should have been
(答案→)C. should be
D. might have been
解析:
这题考查情态动词的用法:这是对现在情况的猜测,所以排除B和D,这里是根据I saw her there just now.推理出她应该在阅览室。Should表示按道理应该,选C。