Dear students, please read every sentence carefully._________you are, ______mistakes you’ll make.

Can I get you a cup of tea—___________.

Jess was sad and her friends helped her thefirst awful weeks after her husband Bill died.

The air quality in the city, ________ is shown in the report, has improved over the past two months.

12．We will be shown around the city：schools，museums，and some other places，other visitors seldom go．