29.--Can I go to the English Comer, Mum? --Certainly.But you be back by 12 o’clock. A.can B.may C.must D.need 查看更多

 

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--Can I go to the English Comer, Mum?

--Certainly.But you           be back by 12 o’clock.

A.can          B.may          C.must             D.need

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