Barack Obama has taken personal blame ________ the security failures which led _

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Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.

A．of; to

B．for; to

C．on; on

D．in; on

答案

解析

略

举一反三

The girl told her mother that she would give her a call______ her arrival.

A．upon

B．at

C．with

D．in

题型：不详难度：| 查看答案

14．This doubt had been in my mind for some time, but the research still went on____some reasons.

A．to

B．about

C．for

D．In

题型：不详难度：| 查看答案

His efforts to raise money for his program were _______ because no one showed any intention to take a cent out of their pockets.

A．in place

B．in vain

C．in effect

D．in sight

题型：不详难度：| 查看答案

Jack is good, hard-working and intelligent. _____, I can’t speak too highly of him.

A．As a result

B．In a word

C．In other words

D．Above all

题型：不详难度：| 查看答案

People in Los Angels have no idea of distance on the map, so they measure distance ____ time not miles.

A．by way of

B．by means of

C．for lack of

D．on account of

题型：不详难度：| 查看答案