It is vital that every piece of equipment ________ before the experiment.
#87434
A
is checked
B
will be checked
C
be checked
D
must be checked
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It’s a shame ______ able to give them any advice.
#87215
A
not to have been
B
to have not been
C
to have been not
D
to not have been
Close the door of fear behind you, and you ____ the door of faith open before you.
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A
saw
B
have seen
C
will see
D
are seeing
It is strongly suggested that measures________factories to pour waste into rivers by the government.
#87497
A
be taken to prevent
B
be taken to forbid
C
are taken to prevent
D
are taken to forbid
I ______ to the lecture that afternoon, but I ______ a bit ill.
#87325
A
should have gone; was
B
would have gone; had been
C
should go; was
D
would go; had been
I’d rather you did some housework when you are free ,but you _________.
#89305
A
didn’t
B
shouldn’t
C
weren’t
D
don’t