. The committee ______ over the problem among themselves for two hours.A．has ar

题型：不详难度：来源：

. The committee ______ over the problem among themselves for two hours.

A．has argued

B．has been arguing

C．have argued

D．have been arguing

答案

解析

略

举一反三

. The Smiths ______ their breakfast when the morning post came.

A．had

B．has been having

C．are having

D．were having

题型：不详难度：| 查看答案

. No one except two students ______ the meeting.

A．has been late for

B．have been late for

C．was late for

D．were later for

题型：不详难度：| 查看答案

. The president, accompanied by his assistants, ______.

A．have arrived

B．are arriving

C．had arrived

D．has arrived

题型：不详难度：| 查看答案

. A number of cars ______ in front of the park

A．is parked

B．was parked

C．are parked

D．has parked

题型：不详难度：| 查看答案

. The majority of the damage ______ easy to repair.

A．is

B．are

C．were

D．Be

题型：不详难度：| 查看答案