When the sick mother got up, she was surprised to find that her six-year-old daughter _______ in the kitchen.
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A
had cooked
B
has cooked
C
was cooking
D
cooked
推荐题目
I could have turned to Mr. Smith for help, but he ______ too busy then.
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A
is
B
was
C
should be
D
has been
—Did you enjoy your holiday?—Yes, it’s the best holiday I ________ these years.
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A
had
B
have had
C
had had
D
would have
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
#104751
A
would be
B
has been
C
had been
D
was
Eating too much fat can _______heart disease and cause high blood pressure.
#99671
A
result from
B
result into
C
devote to
D
contribute to