Did your mother go to Amy’s party––No, she __________.

I think ______ people drive， ______ air pollution there will be.—That’s true. I hope the air will be fresher soon.

The roads are linedtrees，which have been planted to holdthe strong winds from the north

He won’t mind the change of the plan-he’s a very ________ person.[ ]

22．The site is fairly near the city center, ___ it can only be reached by a series of narrow streets