The lady in the sitting room be over sixty. She looks so young.
A.can’t
B.must
C.may
D.needn’t
答案:A
肯定的推测用must或may,把握较大时用must,把握不大时用may; 否定的推测用can’t。据下文She looks so young .可知那位女士不超过60岁,表否定的推测。故选A。
The lady in the sitting room be over sixty. She looks so young.
A.can’t
B.must
C.may
D.needn’t
答案:A
肯定的推测用must或may,把握较大时用must,把握不大时用may; 否定的推测用can’t。据下文She looks so young .可知那位女士不超过60岁,表否定的推测。故选A。