问题
选择题
“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
答案
答案：D
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“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
答案：D