Danny _____ hard for long to realize his dream and now he is popular.
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A
works
B
is working
C
has worked
D
worked
推荐题目
By the time I got to the office, the meeting ______.
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A
had begun
B
began
C
was beginning
D
would begin
It is the first time that I ______ this kind of moon cake.
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A
enjoyed
B
have enjoyed
C
had enjoyed
D
enjoy