The scientists recommend that studies ________ to find out what side effects the medicine might cause.
#86353
A
be done
B
should do
C
will be done
D
are done
推荐题目
John promised his doctor he ________ not smoke, and he has smoked ever since.
#89070
A
might
B
should
C
could
D
would.
—Sorry, the tickets have already been sold out.—Really? Maybe I _______ a little earlier.
#86439
A
should come
B
should have come
C
could have come
D
must have come
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
You would have helped your mother do some housework. But you_______.
#89185
A
don’t
B
didn’t
C
wouldn’t
D
weren’t
It’s so cold today．If it should get warmer this afternoon，I＿my car．
#86637
A
would have washed
B
would wash
C
must have washed
D
must wash