By the time of last year, she ______ the piano for five years.
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A
learnt
B
has learnt
C
had learnt
D
will learn
推荐题目
Mr. Green his lessons when I went into his office.
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A
prepares
B
prepared
C
is preparing
D
was preparing
The students _______ their homework carefully when the teacher walked into the classroom quietly.
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A
do
B
did
C
are doing
D
were doing
Mum, may I watch TV for a while ? –of course, if your work _____.
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A
is finished
B
finishes
C
have been finished
D
will be finished