摘要：15．How can you expect him to make any improvement you never give him an opportunity to have a try? A．unless B．when C．until D．while
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How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
A．unless B．when C．until D．while
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How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
- A.unless
- B.when
- C.until
- D.while
How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
A．unless B．when C．until D．while
查看习题详情和答案>>