---- Mummy, can I go out for a play for a while?
---- Yes, if you _______. But make sure you come back before 8:00.
A.shall | B.will | C.must | D.could |
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---- Mummy, can I go out for a play for a while?
---- Yes, if you _______. But make sure you come back before 8:00.
A.shall | B.will | C.must | D.could |