问题
My pain _______ apparent the moment Iwalked into the room, for the first man I met asked sympathetically， “Are you feeling all right”
A:has
B:must have been
C:should have been
D:could have been
B:must have been
C:should have been
D:could have been
正确答案是：
同类题型
The boy is looking forward toagood time after the exam.
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There is no doubt that he ________ the title “outstanding player of his generation”.
Can you play volleyball —Yes, ________.
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