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— I have no question at the moment, sir.
— Don’t ________ to call me if you need a hand. I’ll help you.
A.waitB.hesitateC.delayD.abandon
B
词义辨析。   A.等待 B. 犹豫 ;不愿意 C. 延期;耽搁  D. 放弃。句意:老师,我现在没有问题。——如果你需要帮助,不要不愿告诉我我会帮助你的。选B。
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