While she_____ on the phone, a man walked into her room.
A．is talking B．talked C．was talking D．talk
— Where is the post office?
— It’s _____ the hospital.
A．in the front of B．in the front
C．in front D．in front of
— You went to town last month, What do you think of it?
— Terrible . I _____ go there _____.
A．Will; any more B．wouldn’t ; any more
C．won’t ; anymore D．won’t; any more
If there are ____trees, the air in our city will be ____cleaner.
A．fewer, much B．more, more C．more, much D．much, more
Before the police , the alien left the shop .
A．got B．reached C．arrived D．arrived at
We didn’t know the good news ______ he told us.
A．after B．or C．because D．until
