Be careful when you cross this busy street．________, you may get run over by a car．

If not

If so

If any

What if

He ________ of ________ he had said at the meeting．

was accused; that

was accused; what

accused; that

accused; what

As a senior two student, he must ________ his studies and has no time to think about anything else．

depend on

look on

turn on

concentrate on

It is ________ old question: Are we alone in ________ universe?

/; /

an; /

an; the

the; a

________ found by the police, the killers had to hide themselves in a mountain cave for two months．

In order to not be

In order not to be

So as not to be

So as to not be

The child walked quietly to the bird．________ into the forest when he was about to catch it．

Flew it away

Away flew it

Flew away it

Away it flew

Hard ________, he was unable to make great progress．

as worked he

as he worked

he worked as

worked he as

The young man ________ the car hoping to arrive at the station to meet his girlfriend on time．

gave up

took up

picked up

sped up

________ with his daughter's progress in her studies, Mr．Black promised her a new watch．

Satisfying

To satisfy

Satisfied

He was satisfied

He has just graduated from the university, so he ________ working experience．

lacking

lacks

for lack of

lacking in