A am working - am writing
B have worked - write
C have worked - have writing
D have been working - am writing
Đáp án D
Since: thì hiện tại hoàn thành. để nhấn mạnh hành động diễn ra liên tục người ta sử dụng thì hiện tại hoàn thành tiếp diễn. ở vế sau có now --> sử dụng hiện tại tiếp diễn
A will call
B was going to call
C would call
D would have
A. am flying
B. will be flying
C. have flown
D. will have flown
A finish
B finished
C will finish
D had finished
A. has finished
B. was finished
C. would finished
D. had finished
A doesn't win
B didn't win
C hasn't won
D hadn't won
A have you home
B had you gone
C did you go
D were you going
A have left
B will leave
C will have left
D am leaving
A leave
C have left
A has been
B was
C will be
D had been
A will play
B will be playing
C are playing
D would play
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