The patient could not recover unless he _______ an operation. [undergo: pass through]
Cập nhật ngày: 22-07-2024
Chia sẻ bởi: Nguyễn Đăng An
The patient could not recover unless he _______ an operation. [undergo: pass through]
A
had undergone
B
would undergo
C
underwent
D
was undergoing
Chủ đề liên quan
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would meet
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will meet
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is meeting
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A
had had
B
had
C
has
D
has had
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A
will go
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should go
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A
be
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is
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was
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were
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A
have
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had
C
have had
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has
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A
rains
B
will rain
C
shall rain
D
raining
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A
wouldn’t have been
B
wouldn’t be
C
might have not been
D
wouldn’t have been being
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A
did- would not be
B
had done- had not been
C
do – would not be
D
had done – would not be
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A
see
B
saw
C
have seen
D
seen
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A
am staying
B
will stay
C
do stay
D
would stay
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A
had known
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knew
C
have known
D
know
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A
hasn’t sold
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hadn’t sold
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doesn’t sell
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A
had seen
B
saw
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would see
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was seeing
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A
were
B
will be
C
is
D
had been
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A
Had we known
B
If we have known
C
We had known
D
If we did know