10．What were you doing Zhang Fan came in?A．when B．while C．where 【查看更多】

 

題目列表(包括答案和解析)

What were you doing         Zhang Fan came in?

A．when               B．while               C．where

查看答案和解析>>

What were you doing ________ Zhang Fan came in?

[　　]

A．when

B．while

C．where

查看答案和解析>>


同步練習冊答案