Question

选出意思与画线部分相同的选项

You are supposed to shake hands when you meet someone for the first time.

[　　]

A．are thought to

B．are believed to

C．are guessed to

D．should

Answer 1

答案：D
解析：

考查固定短语含义。be supposed to do sth相当于should do sth表示“应该做某事”。