Laying eggs ____ the ant queen’s full-time job.A．isB．areC．hasD．have

题型：不详难度：来源：

Laying eggs ____ the ant queen’s full-time job.

A．is

B．are

C．has

D．have

答案

解析

动名词作主语。谓语动词为单数。

举一反三

I, who _____ your good friend, will share your joys and sorrow.

A．am

B．is

C．are

D．was

题型：不详难度：| 查看答案

The United Nations ____ in 1945.

A．werefound

B．werefounded

C．wasfounded

D．wasfound

题型：不详难度：| 查看答案

_____ were also invited to the party.

A．MrSmith

B．TheSmith

C．TheSmiths

D．Smiths

题型：不详难度：| 查看答案

The glass works _____ in 1959.

A．weresetup

B．wassetup

C．wereputup

D．werebuilt

题型：不详难度：| 查看答案

Three hours with your girl friend _____to be a short time.

A．seem

B．seems

C．isseeming

D．hasseemed

题型：不详难度：| 查看答案

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