单选题
Put on more clothes. You ______ be feeling cold with only a shirt on.
[A] should
[B] would
[C] could
[D] must
A
B
C
D
【正确答案】
D
【答案解析】
[考点] 情态动词
[解析] must be表示肯定的推测，有“一定是……，必然……”的意思，例：We thought the teacher must be joking．
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