Jane has ________ to Beijing．She will come back tomorrow．

A．been

B．gone

C．went

D．never been

China has ________ the host for the 2008 Olympic Games since July 13,2001．

A．become

B．been

C．became

D．turned

Which is ________, iron, silver or gold?

A．more valuable

B．much more valuable

C．the most valuable

D．valuable

Peter has got ________ marks in science in his class．

A．bad

B．worse

C．the worst

D．the worse

The kind old lady ________ the poor dog as he was her son．

A．looked after

B．looked forward to

C．looked for

D．looked through

Computers are super ________．They can ________ very fast and they can do the ________ accurately．

A．calculators; calculate; calculation

B．calculators; calculate; calculating

C．calculators; calculating; calculation

D．calculate; calculation; calculating

Human beings give computers ________ by putting a program into them．

A．information

B．directions

C．instructions

D．orders

The SPCA want to raise ________ money to look after the animals．

A．a lot

B．a great many

C．a large amount of

D．many

________ you practice using English, ________ you will be at English．

A．The hard; the good

B．The harder; the better

C．Harder; better

D．The harder; better

She does her homework much ________ than she did before．

A．careful

B．more careful

C．carefully

D．more carefully