If only I ____how to operate a computer as you do!
选项:
A:
knew
B:
would know
C:
have known
D:
had known
knew
would know
have known
had known
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knew
B:will know
C:had known
D:knows
Sample:
If I had worked hard, I would surely have succeeded.
— Had I worked hard, I would surely have succeeded.
1. If I had known your address, I would have written to you.
2. If they were here now, they could help us.
3. If it should not rain tomorrow, we would go outing.
knew
B:have known
C:must know
D:will know
know
B:knew
C:knowing
D:known
how much it cost will be
B:how much has it cost
C:how much it will cost
D:how much will it cost
How do you do?
B:Good morning
C:I'm fine
D:it's very nice
were
B:would be
C:had been
D:will be
have
B:had
C:will
D:managed
A.know
B.get
C.learn
D.study
has
B:had
C:will have
D:had had
Have I realized
B:I have realized
C:Did I realize
D:I realized
win or lose
B、won or lost
C、had won or lost
D、would win or lose
can
B:must
C:need
D:may