We couldn’t finish our work so early your help.A． withoutB． withC． forD．

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We couldn’t finish our work so early your help.

A． without

B． with

C． for

D． by

答案

解析

考查介词的用法。句意“如果没有你的帮助，我们不可能这么早完成工作。”without“没有”；with“有”；for“为了”；by“通过”。故选A。

举一反三

--- When was the 29th Olympic Games held?
--- ________ 8:00 of August 8th ,2008, Beijing.

A．At

B．On

C．In

D．For

题型：不详难度：| 查看答案

A big earthquake hit Japan the afternoon of March 11^th, 2011.　　
A. in B. on C. at

题型：不详难度：| 查看答案

John is standing ________ Gina and Jim.

A．at

B．during

C．between

D．in

题型：不详难度：| 查看答案

– How do you study for a test?
-- _____ working with friends.
A. By B. With C. On

题型：不详难度：| 查看答案

Books are made __________ paper while paper is mainly made __________ wood.

A．of; of

B．from; from

C．of; from

D．from; of

题型：不详难度：| 查看答案