They considered a computer, which was considered a great help in

题型：不详难度：来源：

They considered a computer, which was considered a great help in their work．

A．to buy; to be

B．buying; being

C．to buy; being

D．buying; to be

答案

解析

略

举一反三

-Alice told me you called yesterday.
--Yes, I had a problem with Jane, I thought you could help me with, but you’re not in.

A．who

B．whom

C．that

D．which

题型：不详难度：| 查看答案

Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.

A．producing	B．having been produced
C．to be produced	D．produced

题型：不详难度：| 查看答案

Don’t forget to bring a dictionary next class.
___. I didn’t catch what you said.

A．Never mind	B．I beg your pardon
C．That’s right	D．I’m not sure

题型：不详难度：| 查看答案

Your shirt needs ____. You"d better have it done today.

A．iron

B．to iron

C．ironing

D．being ironed

题型：不详难度：| 查看答案

He woke up and found himself ______ on the sofa, with a blanket over him.

A．laid

B．lying

C．to lie

D．lain

题型：不详难度：| 查看答案