____has been said before, it is not easy to learn a foreign language.
#73382
A
As
B
It
C
What
D
As it
推荐题目
I’ll go to see the film with you if it ________ rain tomorrow.
#41141
A
isn’t
B
doesn’t
C
won’t
D
isn’t going to
--- It’s thirty years since we last met.--- But I still remember the story, believe it or not, _________we got lost on a rainy night.
#73880
A
which
B
that
C
what
D
When
_____ is known to all, the age _______ children can go to school is seven.
#70754
A
What; which
B
It; when
C
As; at which
D
Which; when
There is a new problem involved in the popularity of private cars _______ road conditions need _______.
#73027
A
that; to be improved
B
which; to be improved
C
where; improving
D
when; improving
Great changes ______in our city. It is no longer ____ it used to be ten years ago.
#69592
A
took place, how
B
have taken place ,what
C
are taken place, which
D
take place ,when