The little boy is dirty from head to foot because he ________ in the mud all mor

The little boy is dirty from head to foot because he ________ in the mud all mor

题型:不详难度:来源:
The little boy is dirty from head to foot because he ________ in the mud all morning.
A.has playedB.is playing
C.has been playingD.was playing

答案
C 
解析
由“…is dirty”和“all morning”可知,小孩一直在玩。过去的动作一直延续到现在并且还在进行应用现在完成进行时表示。
举一反三
The new dictionaries are very useful. They ________ well and ________ already .
A.sell; have been sold out
B.sold; had sold out
C.sell; sell out
D.are sold; have been sold out

题型:不详难度:| 查看答案
It seems water ______ from this tap for some time. We’ll have to take it apart to put it right.       
A.had leakedB.is leaking
C.leakedD.has been leaking

题型:不详难度:| 查看答案
—Don’t you feel surprised to see Bruce at the meeting?
—Yes. I really didn’t think she ________ here.    
A.has beenB.had been
C.would beD.would have been

题型:不详难度:| 查看答案
―Look! It looks as if it _______ going to rain. We must hurry.
―OK.  
A.wasB.is
C.wereD.will be

题型:不详难度:| 查看答案
Our team was ahead during the first half, but we ________ in the last ten minutes.
A.had lostB.would lose
C.were losingD.lost

题型:不详难度:| 查看答案
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