—We

來源:國語幫 2.82W

問題詳情:

—We

—We _____ talk loudly when we see the sign “Be quiet” on the wall.

—Yes, you are right. We should be polite in public.

A. must          B. mustn’t         C. need                D. needn’t

【回答】

B

知識點:情態動詞

題型:選擇題

熱門標籤