3 . Believe it or not, there is____________________________________(所谓的) standard English.

4 . Come and see me whenever ________.

A．you are convenient	B．you will be convenient
C．it is convenient to you	D．it will be convenient to you

5 . How long do you think it will be ______ another e-commerce giant comes out to exceed Alibaba?

A．when

B．before

C．since

D．until

6 . I haven’t seen Ann for ________ long a time that I have forgotten what she looks like.

A．such	B．very
C．so	D．too

7 . —It is a long time      I saw you last time.
—Yes. And it will be a long time     we see each other again.

A．when; before	B．after; when
C．since; before	D．since; until

8 . It ___ we had stayed together for a couple of weeks _____I found we are very different people．

A．was until; when	B．was until; that
C．wasn’t until; when	D．wasn’t until; that

9 . It is reported that it is 100 years ______ Qinghua University was founded.

A．when

B．before

C．after

D．since

10 . If you have a job，______ yourself to it and finally you'll succeed.

A．do devote	B．don't devote
C．devoting	D．not devoting