I won't come back ________ August 5 and 7, so you'll have to go there alone．

A．until

B．both

C．between

D．for

The newly-designed iPhone 4S on the market ________ well now．Get one before it ________ out in the shop．

A．sells, is sold

B．sells, sells

C．is sold, is sold

D．is sold, sells

When John lost his job, he found ________ to get a new one．

A．that's impossible

B．impossible

C．that impossible

D．it impossible

Which one do you think you'd like ________ with you, Jack or Johnson?

A．to let to go

B．to let go

C．letting to go

D．letting go

The students were all tired, but ________ of them stopped ________ a rest．

A．no one; to have

B．none; having

C．none; to have

D．no one; having

Activities in our school ________ sports, language learning and music ________．

A．include; also

B．including; too

C．cover; as well

D．covers; too

The poor little girl was ________ young to know ________ when her parents suddenly died in an accident．

A．so; what to do

B．too; what to do

C．so; how to do

D．too; how to do

They walked around the city to ________ money for the children in disaster-hit areas after the terrible earthquake in Mexico．

A．offer

B．raise

C．pay

D．make

Amy ________ the school library．She ________ books three times a week．

A．has gone to; has used to borrow

B．has been to; used to borrow

C．has gone to; has been used to borrowing

D．has been to; is used to borrowing

Thank you for giving us some useful advice ________ how to deal ________ the problems．

A．on; with

B．about; to

C．to; about

D．with; of