________ Great Wall is ________ longest wall in the world．

A．The, the

B．A．a(chǎn)．

C．The, a

What ________ news it is! Nobody ________ it．

A．a surprising; believes

B．surprising; believes

C．a surprised; believe

D．surprised; believe

My bike is broken．Could you help me to ________ ?

A．fix it up

B．set it up

C．make it up

D．put it up

China is larger than ________ in Africa．

A．the other countries

B．any country

C．any of the other countries

D．any other country

Mr．Li asks us to remember that ________ careful we are, ________ mistakes we will make．

A．the more; the fewer

B．the fewer; the more

C．the more; the more

D．the less; the fewer

Because of the bad weather, we have to ________ the meeting till next week．

A．take off

B．get off

C．put off

D．set off

We are planning to have a surprise party ________ her fifteenth birthday．

A．at

B．in

C．for

D．with

What a nice paper fish! Can you show us ________ you make it?

A．whether

B．how

C．why

D．what

The mobile phone has influenced people's life a lot since it ________．

A．invents

B．invented

C．is invented

D．was invented

Go downstairs, ________ stand in line on the playground as soon as possible．

A．and

B．but

C．so

D．or