单项选择题

He had gone away on business and would not return to the hotel until the next day. I should have to wait till () I could thank him for the present.

A. afterwards
B. then before
C. then
D. then therefore

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填空题
A. sweat B. cheap C. treat D. leap
单项选择题
The writer had plenty of time to spare as his train ()

A. was leaving later than scheduled
B. was not leaving for another hour
C. was not scheduled to leave
D. was delayed for some reason
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