________ is really hard ________ them to climb up the mountain at night．

A．This, to

B．It, for

C．This, for

D．It, to

________ of them has an English dictionary．

A．Every

B．All

C．Both

D．Each

Mr．Smith ________ here for about two hours．

A．has left

B．left from

C．went away from

D．has been away from

－________ does the first class begin?

－At 7∶40．

A．How long

B．Where

C．When

D．How

He raised ________ for the charity to help the poor children．

A．thousand of dollars

B．thousand of dollar

C．thousands of dollars

D．thousands of dollar

－I like flying all over the world．

－I think being a ________ is just for you．

A．teacher

B．tour guide

C．policeman

D．doctor

Could you please ________ me the way to the hospital．

A．showing

B．showed

C．show

D．shown

They found ________ they are famous for only a short time．

A．it

B．this

C．that

D．them

What ________ you ________ at eight yesterday evening?

A．have, done

B．did, do

C．were, doing

D．will, do

Jim asked me ________ him with his math．

A．help

B．helping

C．helped

D．to help