题目内容：

单句语法填空

1.I wonder if they have been rescued__________the burning house by the firefighters.

2.Being shy, she isn't used to___________(praise) in front of others.

3.He sincerely apologized___________her___________ losing his temper yesterday.

4.Jack is late again. It is typical____________ him to keep others waiting.

5.It's very easy for teenagers to become attached___________online games, which is really harmful to them.

6.An increasing number of high school graduates have difficulty in expressing themselves (adequate) in writing,________ either in Chinese or in English.

7.-Jimmy is still unhappy today-It's all your fault. You should have made an________(apologise)to him yesterday.

8._______(commit)to improving the quality of services, we will provide customers with all the information they need.