You know that you were driving at 100 kilometers per hour, don’t you?—No, officer, I _____ have been. This car can’t do more than 80.
Jim, can you_______ this word in Chinese —Yes,I can_______ a little Chinese.
Be quiet! I have ___________ to tell you.
I think Maths is playing a more important partin the new test system. What about you—________. We should be more devoted to it.
_______youwanttochangeforasingleroom,you’llhavetowait for a while