—CanIgonow,sir?—Ifyouleave,doi

— Can I go now, sir?
— If you _______ leave, do it quietly.

A．will

B．may

C．shall

D．must

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B．has come

C．was coming

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--Well, it wasn’t me. I didn’t do it.

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A．had been improved

B．will be imroved

C．is improved

D．was improved

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A．could drink

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