You phone him if you want to but you ! He is sure to phone you. A．may ... mustn’
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You ________ phonehim if you want to but you ________ ! He is sure to phone you.
A．may ...mustn’t
B．have to... needn’t
C．can ...doesn’t need
D．can ...needn’t
试题答案
答案：D
解析：| 译文：如果你想的话，你可以打电话给他，但是你不必那么做，他一定会打给你的。选项D符合。
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