－Can you tell me ________ you have been collecting shells?

－Since I was seven years old．

A．how long

B．how old

C．how far

D．how many

－Must I get up before six o'clock tomorrow morning, dad?

－No, you ________．Tomorrow is Saturday．You may get up later．

A．mustn't

B．can't

C．needn't

D．may not

While the boy ________ down the street, the UFO landed．

A．had walked

B．was walking

C．has walked

D．is walking

She is going to be a reporter when she ________ up．

A．grows

B．will grow

C．is going to grow

D．grew

Many kinds of wild animals are ________．We must do something to save them．

A．in fact

B．on holiday

C．on time

D．in danger

If you have finished your homework, you should ________ washing and cooking．

A．look through

B．help with

C．take after

D．thank for

－Could you please ________ when you go out?It smells terrible in the room．

－Sure．But where should I put it?

A．take out the trash

B．sweep the floor

C．turn off the light

D．fold the clothes

The library assistant says I can ________ the magazine for two weeks．

A．borrow

B．lend

C．buy

D．keep

Silence, please, class．We're going to have a math test in this class．Now I am going to give ________ your test papers．

A．out

B．over

C．up

D．back

－It's twelve o'clock．I feel a little ________．

－Why not go to the dumpling house to eat some dumplings?

A．nervous

B．delicious

C．hungry

D．warm