CHUYÊN ĐỀ 5: ĐỘNG TỪ TÌNH THÁI (MODAL VERBS)

You…………book the tickets for the play in advance because they sell out quickly. A. could B. mustn't C. have to D. may

2/30

You…………book the tickets for the play in advance because they sell out quickly.

could

mustn't

have to

may

Giải thích

Chọn C