In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.

A. signal        B. chance          C. mark            D. measure

—Hi, Jack! I’m glad I came across you here.

         — __________, Alice?

         A．Who is that speaking         B．How about another cup of tea

         C．Why? What’s up                  D．What can I do for you

－If I’m not mistaken, your birthday is coming up. Has your brother sent you anything?

－Not yet. He never forgets, _________.

   A. since      B．therefore   C. so         D．though

The article suggests that when a person_____ under unusual stress he should be especially careful to have a well-balanced diet.

   A．be         B．is        C．were  D．was

Just look at the room. My roommate ____ up his clothes.

   A．is never hanging      B. will never hang     C. never hangs   D. never hanged

He has been fired and will have to ________ over charge of his office tomorrow.

   A. take        B．hand  C．get     D．go

_____ Shanghai you see today is quite _____ different city from what it used to be.

     A. The, 不填         B. 不填, the           C. The, a        D. A. a

The sound of the music ____louder and louder as the band marched nearer to me.

   A. grew        B. felt         C. appeared        D. remained

 —What’s the matter with you ?                    

    —Oh, I’m not feeling well in the stomach . I ______so much fried fish just now .

         A．shouldn’t eat             B．mustn’t have eaten         

         C．shouldn’t have eaten        D．mustn’t eat

 With online course Crazy English has over 20 million students all over China _______ the class through the Internet .

   A. attend B. attended    C. attending   D. to be attending