When his wife returned from abroad, Kevin ____ his paintings at the art museum in his hometown. 
#100569
A
was exhibiting
B
exhibited
C
would exhibit
D
had been exhibiting
推荐题目
—Are these seats available?—Sorry, sir. The seats ________.
#99452
A
have reserved
B
are reserved
C
reserved
D
are reserving
  In the last few years thousands of films ________all over the word.(2011·天津)
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A
have produced
B
have been produced
C
are producing
D
are being produced
I should say sorry to you but I ____trouble.    
#102836
A
did not mean causing
B
did not mean to cause
C
meant causing
D
meant to cause