He is the only one of the students who ________ a winner of schoolarship for three years.
#100559
A
is
B
has been
C
are
D
have been
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Experiments of this kind ___in both the U．S and Europe well before the Second World War．
#100251
A
had conducted
B
have conducted
C
have been conducted
D
had been conducted
---Our company will organize a trip to Hongkong next month. I ______my mother there.---I’d rather you ________. After all she has just recovered from her illness and she still feels weak..
#100384
A
will take ; won’t
B
am taking; don’t
C
will take; didn’t
D
am taking; didn’t
（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．
#99097
A
have prepared
B
are prepared
C
have been preparing
D
prepared
The Internet connection for the entire area _________ when there was a sudden power cut yesterday.
#102345
A
lost
B
was lost
C
had lost
D
had been lost