问题

Oh, I have a nosebleed. What should I do first— __________.
A:what to use
B:how to use
C:how can I use
D:where can I use;
B:how to use
C:how can I use
D:where can I use;
正确答案是:
同类题型
ter met him at the Grand Theateryesterday afternoon, so he ________ your lecture.
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