As we know,     Potala Palace（布达拉宫）,a combination of Tyibetan constriction art and culture, is considered        precious treasure of China.

    A．不填；a        B．the; a         C．the; the       D．the;不填

 Which exports      an important role in its economic growth now, this province has been affected by the global economic downturn.

    A．played         B．to play        C．playing        D．play

 He is really like a gentleman and he usually          the door open to let the ladies go first.

    A．holds          B．leaves         C．keeps          D．makes

 QQ,      you can chat with your friends, makes communication easy.

    A．as             B．which          C．that           D．where

 ---Have you seen my e-mail about our TESL, project?

   ---Yes. Luckily, I checked my e-mails yesterday. Normally, I      my e-mail-box for days.

    A．haven’t opened                  B．didn’t open   C．hadn’t opened D．don’t open

 The couple did have a quarrel about money last night, but now they have already      .

    A．taken up       B．made up        C．put up         D．brought up

 Even students with         intelligence can be excellent students after improving their study habits.

    A．average        B．unusual        C．splendid       D．popular

 ---Why didn’t you reared him of the possible danger?

   ---But what        otherwise? He never listens to me.

    A．could I do     B．could I have done                C．should I do    D．must I have done

 Any help from you will be greatly appreciated. Please give me a reply at your earliest       .

    A．interruption   B．instruction    C．consideration  D．convenience

 ---It’s said that Williams will come to help us.

   ---        we depend on him, we have to do most of the work ourselves.

    A．No matter what B．However much   C．Whatever       D．However