Visitors ________ not to touch the exhibits.A．will requestB．are requestedC．are

题型：不详难度：来源：

Visitors ________ not to touch the exhibits.

A．will request	B．are requested
C．are requesting	D．request

答案

解析

因为说的是一条规定，所以用一般现在时，而visitor与request之间是动宾关系，因此需要用被动语态。

举一反三

Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.

A．is changing	B．has changed
C．will have changed	D．will change

题型：不详难度：| 查看答案

All the preparations for the task ________，and we"re ready to start.

A．completed	B．complete
C．had been completed	D．have been completed

题型：不详难度：| 查看答案

(2013·泰安一中阶段测试) —Do you think he can get first prize in jumping?
—Impossible now. He ________ to do so，but he has just hurt his leg.

A．would expect	B．was expected
C．has expected	D．is expected

题型：不详难度：| 查看答案

Mr. Smith ________ his pupils how to prepare for the test since 8 am, but no one listens to him.

A．has told	B．is telling
C．has been telling	D．will have told

题型：不详难度：| 查看答案

—Would you mind if I borrowed your car just over the weekend?
—I"m sorry, but it"s just not possible, because I ________ my mother this weekend.

A．am visiting	B．have visited
C．was visiting	D．visited

题型：不详难度：| 查看答案