Ifyou leaveearlyonweekdays,doitquietly.Theothercollea...

問題詳情：

If you　　　leave early on weekdays, do it quietly. The other colleagues are also dying to have an early leave.

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

【回答】

B

知識點：情態動詞

題型：選擇題