（湖南省怀化市2014年高三第二次模拟考试）23. Mr. Smiths was busy writing a story, only ______ once in a while to smoke a cigarette.
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A
to stop
B
to have stopped
C
being stopped
D
stopping
推荐题目
That was such an____question that it made me____,not knowing how to answer.
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A
embarrasing,embarrassed
B
embarrassed, embarrassed
C
embarrasing, embarrasing
D
embarrassed,embarrasing
_____ the right decision _____ the future is probably the most important thing we will ever do in our lives．
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A
Making; concerned
B
Make; concerning
C
To make; concerned
D
Making; concerning
________ the earth to be flat, many feared that Columbus would fall off the edge of the earth.
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A
Having believed
B
Believing
C
Believed
D
To believe
Mr. Taylor, of the urban life, is considering his last years in the countryside after his retirement.
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A
tiring; spend
B
tired; to spend
C
tiring; spending
D
tired; spending
(2013·陕西，14)The witnesses ________ by the police just now gave very different descriptions of the fight.
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A
questioned
B
being questioned
C
to be questioned
D
having questioned