---What does your Chinese teacher look like? --- .
— Where is the post office?— It’s _____ the hospital.
— You went to town last month, What do you think of it?— Terrible . I _____ go there _____.
If there are ____trees, the air in our city will be ____cleaner.
Before the police , the alien left the shop .
We didn’t know the good news ______ he told us.