________ you put your heart into it, you can't catch up with your classmates．

A．Until

B．So

C．Although

D．Unless

I ________ go right now, or I will miss the train．

A．can

B．could

C．will

D．need to

She felt that the flowers made her house ________ the before．

A．much more beautifully

B．more beautifully

C．much more beautiful

D．much beautiful

You must clean the flat every day ________ keep it ________．

A．in order that…as clean as new

B．in order to…as clean as new

C．so to…as clean as new

D．in order to…as clean as a new

The shirts ________ silk are ________ China．

A．made from…made in

B．made of…made in

C．made from…made by

D．made of…made by

Mary is very happy ________ her new bicycle．

A．of

B．with

C．on

D．by

The flat was ________ expensive and it brought him ________ trouble．

A．too much…much too

B．too much…too much

C．much too…too much

D．much too…much too

________, Mr Zhang decided ________ his computer to the computer shop．

A．In the end, to return back

B．In the end, to return

C．In the end of, to return back

D．In the end of, to return

He often makes his brother ________, but yesterday he was made ________ by his brother．

A．to cry, to cry

B．to cry, cry

C．cry, to cry

D．cry, cry

I think life on Mars will be better than ________ in many ways．

A．on Earth

B．it on Earth

C．that on Earth

D．on Earth