27、

Why are you so anxious? It isn’t your problem ______.

A. on purpose       B. in all      C. on time      D. after all

26、 ― Do you have any problems if you ______ this job?

 ― Well, I’m thinking about the salary….

   A. offer   B. will offer   C. are offered  D. will be offered

25、 Susan wanted to be independent of her parents. She tried _____ alone, but she didn’t like it and moved back home.

1. living          B. to live             C. to be living            D. having lived

24、   _____ the Internet is of great help. I don’t think it’s a good idea to spend too much time on it.

   A. If  B. While  C. Because  D. As

22、I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!

1. was talking  B. has been talking C. has talked  D. talked

20、I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!

1. was talking      B. has been talking         C. has talked          D. talked

19、I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!

1. was talking      B. has been talking         C. has talked          D. talked

18、

 The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.

1. most of them B. most of which C. most of what D. most of that