—Be careful! You might fall into the water.
—Thank you. I ______ I _______ so close to the pool.
A. didn’t know; am standing B. don’t know; am standing
C. didn’t know; was standing D. didn’t know; would stand

—Someone is knocking at the door. Who ______ it be?
            —It ______ be Tom. He is still in the school.
            A. may; can’t      B. can; mustn’t      C. might; couldn’t      D. could; may not

Look! How heavy the rain is! You’d better ______.

        A. don’t go now                          B. stay here when it stops

        C. not leave until it stops              D. not to leave at once

 —You were injured in the accident, weren't you ?

         — _________ , but look, I'm all right now.      

A. Yes, I was      B. Yes, I wasn't      C. No, I was    D. No, I wasn't

—What happened?

         —The old man next door was found _____ in the living room. It's very sad

A. dead           B. die                 C. dying          D. death

 —Whom would you like to be your assistant, Jack or David?

        —If I had to choose, David would be ____choice.

       A. good         B. better             C. the better     D. the best

 —Excuse me. Do you have a table for two?
           —I’m sorry, ______ there aren’t any seats now. Would you mind waiting a while?

        A. but            B. and                C. or               D. so

—You’d better not go out now. it’s raining.
           —It doesn’t matter. My new coat can keep _______ rain.
        A. in               B. of                   C. with            D. off

 — Excuse me, please tell me _______ .          .

        —There is a supermarket over there. You can get some there.

       A. how 1 can find a supermarket       B. where the supermarket is

       C. where I can buy some fruit          D. Where can I buy some fruit

 There are quite a few old books on the shelf, but ___ of them is useful to him.
          A. both               B. all                  C. neither         D. none