________ time went by, small clever animals covered the earth and have become the most important animals on the planet.
#31981
A
With
B
As
C
Because
D
During
__________ you work harder than before, you will pass this exam.
#31982
A
As soon as
B
As long as
C
As if
D
Even if
Although he has become wealthy, Mr. Wood remains _________ he used to be ,modest and friendly .
#31983
A
which
B
where
C
what
D
that
Tom didn’t lose heart _________ he failed in the job interview and wasn’t admitted to the company.
#31984
A
as if
B
in case
C
even though
D
so that
—I’m green at everything. —Don’t worry. ________you get older，you will get more experience.
#31985
A
As
B
Till
C
Unless
D
Since
______ you’ve got the chance, you might as well make full use of it.
#31986
A
Now that
B
After
C
Although
D
As soon as
We should give the disabled encouragement to live _________ as we do.
#31987
A
as a rich and full life
B
as rich and full a life
C
so a rich and full life
D
so rich and full a life
Scientists say it may be five years ______ it is possible to test this medicine on human patients．
#31988
A
since
B
until
C
before
D
when
— Whose money is this? — Just leave it it is. It doesn’t belong to us.
#31989
A
even if
B
which
C
where
D
so that
John got his phone for his birthday, his parents don’t let him use it in school.
#31990
A
however
B
which
C
but
D
when
he is poor, he’s ready to help his friends who are in trouble, which makes him very popular.
#31991
A
Although
B
However
C
As
D
Whether
We must never think we are good at everything others are good at nothing.
#31992
A
that
B
while
C
which
D
who
Mr. Smith was so angry at all _____ Bill was doing ______ he left.
#31993
A
that…what
B
that…that
C
which…which
D
what…that
We will be for ______ promises to volunteer to help us solve the puzzling problem.
#31994
A
whoever
B
any one of them
C
those who
D
anyone
that we can’t get the necessary equipment , we will have to give up the experiment.
#31995
A
If
B
Supposed
C
Provide
D
Assuming
He, an average citizen, always thinks of_____ he can do more for the people．
#31996
A
how
B
why
C
what
D
which
The teacher finds that Jane is quite different from ______ she was like one year ago.
#31997
A
who
B
what
C
how
D
which
——Your friend Alice looks down today. What is up?——Well, ________ happened to her was her own fault!
#31998
A
wherever
B
However
C
whatever
D
No matter what
There is a new problem involved in the popularity of private cars________road conditions need________.
#31999
A
that；to be improved
B
which；to be improved
C
where；improving
D
when；improving