JUST HELP YOURSELF IF YOU’D LIKE SOMETHING TO EAT. YOU ……… FIRST.A. NE...

TÀI LIỆU K12 - HKII- KT 45''''- LAN3- CO DAP AN

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Câu 11: Just help yourself if you’d like something to eat. You ……… first.

A. needn’t ask B. mustn’t tell C. must explain D. may walk