23．A．home　 　 　　　 B．park　　 　 　　　 C．library 　　 　　　　　 D．school

22．A．math　　　　 　　　 B．art　 　　　　 　　　 C．music 　　　　　　 　　　 D．writing

20．The clever dog buried the bones ______ the other dogs wouldn’t find them.

A．even if　　　　　　　　　　 B．as if　　　　　 　　　 C．so that　　　　　　　　　　 D．now that

19．She is known as ______ great beauty and has had　　　 ______ great success in her life.

A．the; a　　　　　　　 　　　 B．a; a　　 　 　　　　　 C．不填; 不填　　　　　　 D．a；不填

18．After working two years, I ______ dealing with the matters of this sort.

A．used to　　　　　　　　　 B．used as　　　　　　 C．am used for　　　　　　 D．am used to

17．Since you do not like your present job, why not look for a new one ______ it is too late?

A．while 　　　　　　　　 B．before　　　 　　 C．because　　 　　　 　　 D．since

16．I soon found that the work I was doing had already been done by someone else - ______, I was wasting my time.

A．in words　　　　　 　 　 B．in any way 　　C．in other words　 　　 D．in no way

15．-Tonight’s meeting is very important, you know.

-I see. We will all go there on time ______ some of us are very busy.

A．unless 　　　　 　　　 B．though　　　 　　 C．when　　　　 　　　　　　　 D．until

14．-______ you come, please bring your sister along.

- Thank you. I certainly will.

A．For the next time　　 B．Next time　 　　 C．At times　 　　 　　　 D．For a time