Two or three years ago this kind of glasses _______ a favorite for some time, but now it _______.
| A．were, has gone over | B．was, has gone out |
| C．was, has gone away | D．were, is going down |
We can never expect________bluer sky unless we create___________less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
Mike ______ have known the solutions to this problem, or he would have told us.
| A．mustn’t | B．shouldn’t | C．can’t | D．needn’t |
The confidence of the Chinese film makers ______ by Avatar, the release of______ has not only set a good example for the Chinese film industry but also embarrassed our directors, who lack professional ethics.
| A．have blown; that | B．has blown; which |
| C．has been blown; which | D．have been blown; that |
The policeman told me that I had passed the driving test and never in my life ______ so happy and excited.
| A．I felt | B．did I feel | C．I had felt | D．had I felt |
______ each other for long, the two brothers decided to meet soon.
| A．Not seen | B．Not having seen | C．Having not seen | D．Not seeing |