Many British people have noticed that butterflies _______ from its natural habitats during the past several years.
#102940
A
are disappearing
B
have been disappeared
C
have been disappearing
D
will have disappeared
推荐题目
I thought the teacher would say something about our exam result but he ________ it.
#99454
A
doesn't mention
B
hasn't mentioned
C
wouldn't mention
D
didn't mention
I first met Mr Smith in America. He ________ at Stanford University then.
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A
studied
B
had studied
C
is studying
D
was studying
--- Hey, Mary, your backpack looks nice. When did you buy it. --- I ____ it for two weeks.
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A
had
B
bought
C
have had
D
have bought
（2014山东省实验中学高三第二次模拟考试）6．Jack and Samantha ____________ for their wedding for a whole week but nothing is really done．
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A
have prepared
B
are prepared
C
have been preparing
D
prepared