问题
“Why didn’t she come to the meeting yesterday?” “I’m not so sure. She ______ ill.”
A:should be
B:should have been
C:must be
D:might have been
B:should have been
C:must be
D:might have been
正确答案是：
同类题型
Hey, Joe, why not eat out to celebrate Mum’s birthday She makes meals for us every day.– _________
There abook and three pens in the pencil-box .
Jane __________ 3 hours doing her homework every weekend.
is known to all, hard work will_____ in time
______ is it from your home to school — About 15 kilometers.