As the sun sank in late afternoon, the mountain looked magnificent __________ the color of the sky.

A．in                              B．below                           C．beside                    D．a(chǎn)gainst

      —It has become a nationwide requirement that every student__________ have daily exercise for one hour.

  —Yeah. It is high time that we__________ special attention to physical exercise.

A．must；should pay         B．should；paid          C．will；shall pay        D．should；pay

The high-speed train accident has once again __________ our awareness that safety should always come first     in the process of development.

A．raised                         B．spotted                       C．claimed                  D．placed

George said that he would come to school to see me the other day, but he __________ .

A．wouldn’t                  B．didn’t                         C．hasn’t              D．Hadn’t

 ___   __ he realized it was too late to return home.

    A. No sooner it grew dark than                      B. Hardly did it grow dark when

C. It was not until dark that                           D. It was until dark that

The firefighters were searching the burning train for survivors, with masks __________ their mouths.

A．covered                       B．covering                      C．to cover                 D．to be covered

—Mr. Smith never means what he says. I dislike him.  —__________，as the saying goes.

       A.  Single flower does not make a spring                                     B．A still tongue makes a wise head

C．A man of words and not of deeds is like a garden full of weeds   D．Actions speak louder than words

 We are in a difficult situation __________ we do not develop new products, we will end up closing our doors.

A. where if                         B. where                            C. if                            D. if where

Now we've got a chance, we are hoping to __________ a big market in China.

A. open up                        B. put forward                   C. carry on                 D. wind up

 —Stay a bit longer，please. It’s been such________fun having you here.

   —Thank you，but I’ve got________early start tomorrow morning.
A. /；the                            B. a；an                                   C. /；an                            D. the；an