Tom ______ with his grandmother for eight years,but now he is living by himself.
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A
lives
B
1ived
C
has lived
D
has been living
推荐题目
Three fourth of the homework _______ today .
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A
has finished
B
has been finished
C
have finished
D
have been finished
--Has the train arrived yet?---No, it ought to ___ twenty minutes ago.
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A
arrive
B
have arrived
C
be arriving
D
be arrive