In the poor parts of American’s big cities there is a lot of crime, ________.

A．and much of which is serious

B．much of which is serious

C．so much of it is serious

D．much of that is serious

So the Americans have over three times the world average of land ________ to produce food.

A．for which

B．in order

C．where

D．on which

Because of ________ his neighbor’s answers in the test. John had to make it up again.

A．copying

B．understanding

C．working

D．joining

His parents provided him ________ 4000 dollars ________ his education every year.

A．with; for

B．for; with

C．by; on

D．to; in

Add up these figures and see if the ________ is correct.

A．total 

B．whole

C．amount

D．quantity

You’d better ________ now.  Someone is waiting for the phone behind.

A．ring back

B．ring off

C．call back

D．call on

In order to make a ________ study of the animals, the scientist lived ________ in the forest.

A．further; farther

B．far; farther

C．farther; farther

D．farther; far

In the end, they ________ to escape from the prison and ran away.

A．tried

B．managed

C．attempted

D．wanted

— I wonder if I could use your telephone.

—________

A．I wonder how

B．I don’t wonder

C．Sorry, it’s out of order

D．No wonder, here it is

Her Success in the experiment ________ her a place at university.

A．earned

B．received

C．accepted

D．offered