The professor’s research finally proved to be ______, though he had spent a lot

题型：不详难度：来源：

The professor’s research finally proved to be ______, though he had spent a lot of money on it.

A．priceless

B．valuable

C．worthless

D．worthwhile

答案

解析

略

举一反三

The lady has an abnormal state of mind. Whatever happens, she always assumes ______.

A．the worst

B．worse

C．the best

D．better

题型：不详难度：| 查看答案

. ______ is the kindness of the nurse that the patient can never be ______ to her.

A．So; too thankful	B．Such; too thankful
C．So; that thankful	D．Such; thankful such

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Since the job is so _____, why not try a new one and make yourself more _____?

A．bored; pleasing

B．boring; pleased

C．boring; pleasing

D．bored; pleased

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After listening to the lady’s speech, we were ______ admiration（钦佩） for her．

A．full with

B．filled with

C．tired of

D．interested in

题型：不详难度：| 查看答案

.It isn"t quite _____ that he will be present at the meeting.

A．sure

B．right

C．exact

D．certain

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