— Margaret _____________ stay at home all day long in front of the computer.
—That' s right．She should go to the fitness center with us.
| A．doesn’t have to | B．couldn’t | C．oughtn’t to | D．may not |
I found a bucket, ______ it in the sink and turned the tap on.
| A．put | B．putting | C．to put | D．having put |
Li Lei ______ English when he was in Canada. Now he can speak it freely.
| A．made out | B．picked out | C．made up | D．picked up |
He goes back home to see his parents ______ few weeks.
| A．every a | B．every | C．each | D．some |
—Excuse me. Is this the right way to the Summer Palace?
—Sorry, I am not sure, but it ____ be.
| A．must | B．can | C．might | D．will |
They looked at each other, ______.
| A．Astonishing | B．astonished | C．to astonish | D．astonishingly |