一、单项选择 从下列每题所给的选项中，选择一个最佳答案。(15分)
1. _____ Browns are going shopping this Saturday. They are going to buy _____useful umbrella.
A. /; a B. The; a C. /; the D. The; an
2. I haven’t got a letter from my American friend _____ last month.
A. since B. by the end of C. for D. until
3. --- Which of these places will you visit, Taizhou Zoo, Fengcheng River or Pozi Street?
--- I’ll visit of them, because I have been there many times and now I am very tired.
A. either B. all C. none D. nothing
4. ---The light in the office is still on . Who _____ it be? Is it Mr Wu, our headmaster ?
--- No. It_____be him. I saw him in the classroom just now.
A. can; can't B. may; won't C. may; mustn't D. can; mustn't
5. ---People should stop pouring dirty water into the lake.
---_____. It will cause pollution.
A. Don’t say like this B. Never mind
C. I agree with you D. The same to you
