Passengers are required to _____ seated until the plane comes to a complete stop.

  A. leave            B. get             C. keep              D. remain

You’d better call in a doctor for your mother,      you?

 A．had   B．would  C．hadn’t  D．wouldn’t

Harry and his brother promised to work harder,      .

 A．do they  B．don’t they C．did they  D．didn’t they

   terrible weather we’ve been having these days!

 A．How a  B．What a  C．How  D．What

“_____shoes do you take?” “Size 42.”

 A．Which number    B．What number

 C．What size     D．What

We_____satisfied with their work.

 A．don’t  B．are not   C．won’t  D．weren’t being

Flight attendants usually need to arrive at the airport ______ before their flight leaves.

A.    much             B.    very                      C.    well                      D.    largely

--- May I move your bag a little and take this seat?

--- ______. A. Do it please    B.    I don’t mind   C.    It doesn’t matter     D.    Go ahead

--- Excuse me, I was told I could find Professor Li here.

--- And you ______. Anything I can do for you?

       A.    have               B.    had                       C.    did                        D.    do

After the flood, the villagers are trying their best to get things back to ______.

A.    ordinary         B.    normal                  C.    common                D.    usual