Sally took a photo of her friends while they computer games.A．play

题型：不详难度：来源：

Sally took a photo of her friends while they computer games.

A．play

B．are playing

C．have played

D．were playing

答案

解析

试题分析：句意：当他们玩电脑游戏时，Sally给她的朋友拍了照。句中用过去进行时，表示过去的某个时间正在发生的动作；故选D。A 一般现在时；B 现在进行时；C 现在完成时。

举一反三

She"s not strong enough walking up mountains.

A．to go

B．going

C．go

D．went

题型：不详难度：| 查看答案

Mike will go abroad tomorrow. I am going to _____ at the airport.

A．sent him off

B．saw him off

C．see off

D．see him off

题型：不详难度：| 查看答案

Students ought _____ the truth.

A．to tell

B．tell

C．telling

D．told

题型：不详难度：| 查看答案

If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.

A．instead of

B．rather

C．while

D．but

题型：不详难度：| 查看答案

Every student is _____ to obey the school rules.

A．suppose

B．supposed

C．should

D．ought

题型：不详难度：| 查看答案