问题

When she asked Peter ________ he was out of work again, he nodded his head and said yes.
A:that
B:when
C:whether
D:how;
B:when
C:whether
D:how;
正确答案是:
同类题型
I was so disappointed when I failed again.-Don’t be so discouraged.You’ll be successful ________.[ ]
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Have you finished your homework yet—Yes. I _________ it twenty minutes ago.