1．________evidence that language acquiring ability must be stimulated.
If being
It is
There is
There being
2．Everyone hopes that we can do something to make things better, so we can’t help ______ under the stress.
but working
but to work
work
but work
3． We all think that _____ no need to make laws to prevent the young from getting married during their college life.
it is
there has
it has
there is
4．Postage ______, the necklace will cost you at least 650 yuan.
including
included
include
to be included
5． With his eyes ______ on the family album, he thought of the fun he had when he lived with his parents.
fixing
fixed
to be fixed
being fixed
6．George applied for the position three times ______ he finally got it.
before
until
when
after
7． This robot is supposed to save a lot of labor, but it remains a problem if it ______.
is
saves
does
has
8． There were many more people who got injured in the big fire than _______.
was reported
it was reported
were reported
they were reported
9．He doesn’t know what to say, for it is the first time that he ______ with a girl.
went out
goes out
has gone out
had gone out
10．_______ which way to take, the little boy behaved like a real gentleman who comforted his sister from time to time.
Leaving to wonder
Having left to wonder
Left wondering
Left to wonder
11． During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
to be built
being built
having been built
built
12． Professor Wang , _______ for his informative lectures, was warmly received by his students.
knowing
known
to be known
having known
13． When do you think ______ start the new attack?
they will
will they
they can
can they
14．In fact Peter would rather have left for San Francisco than ____ in New York.
to stay
stayed
stay
having stayed
15．You ____ him so closely; you should have kept your distance.
shouldn’t follow
mustn’t follow
couldn’t have been following
shouldn’t have been following
16． There has been a great increase in retail sales, ____?
does there
isn’t there
hasn’t there
isn’t it
17． It is the news ____ most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.
that deprive
that it deprives
that deprives
when it deprives
18．We hadn’t met for 20 years, but I recognized her_____ I saw her.
the moment
for the moment
the moment when
at the moment when
19．On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
to seeing
to see
seeing
to have seen
20．You ______ be driven out of the school if you dare to cheat in the exam.
should
would
will
shall
