1 . Let me c___________on graduating from the college smoothly.(根据首字母单词拼写)

3 . When deeply ___________ (absorb) in his phone, he didn’t notice his mother approaching. （所给词的适当形式填空）

4 . The city is known for its cleanliness. Rubbish, __________, is hardly seen on the streets.

A．if not

B．if ever

C．if any

D．if so

5 . I felt concerned when __________ (watch) the documentary. (所给词的适当形式填空)

6 . If p_________ (允许)to have a rest at home, I would sleep for one day and one night. (根据中英文提示单词拼写)

7 . The twins cheered up and did as ______ (tell). (所给词的适当形式填空)

8 . Some think graffiti is a crime if ______ (do) without a property owner’s permission. （所给词的适当形式填空）

9 . When ______ (face) two paths, people have no choice but to make a decision and see what will happen. (所给词的适当形式填空)

10 . Researchers claim that young people may risk going deaf if ____________ (expose) to very loud music on a daily basis. (所给词的适当形式填空)