People love the convenience of bottled water, but if they ________ the problem it causes, they ________ try carrying water in a reusable steel container instead of plastic.
#86487
A
realized; will
B
had realized; will
C
realized; would
D
have realized; would
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—I do enjoy my present job as an engineer.—Well，I would also be an engineer if I my major when I was at college.
#86830
A
could have changed
B
should change
C
hadn't changed
D
were to change
. You _____ return the book now. You can keep it till next week if you like.
#89398
A
can’t
B
mustn’t
C
needn’t
D
may not
They________have arrived at lunchtime but their flight was delayed.(2011·全国 )
#86368
A
will
B
can
C
must
D
should
Luckily, the old man was sent to the hospital in time. Three minutes later and he _______.
#86710
A
would die
B
was to die
C
should have died
D
would have died
If penicillin _____________ available, many people ______________ from sickness.
#86943
A
weren’t , would have died
B
shouldn’t be, would die
C
hadn’t been, would have died
D
is, will die