It’s really dangerous. One more step, ______ the baby will fall into the pool.

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

—Mike, what did our monitor say just now?

—Every boy and every girl as well as teachers who ______ to visit the museum ______ asked to be at the school gate before 6:30 in the morning.

　 A. are; is　　　　 B. is; are　　　　　 C. is; is　　　　　 D. are; are

 Have you ever asked Jenny the reason _______ may explain her absence from school?

   A. why          B. for which        C. that            D. what

 If you _______ your promise, we will satisfy your requirement.

   A. carry out      B. carry on         C. keep on         D. keep out

—He ought to have been warned of the danger.

—________, but he wouldn’t listed to me.

　 A. Yes, he ought to　 B. So he was　　　 C. So was he　　　 D. So it was with him

 A sheep        on this kind of special grass usually grows much faster than        on ordinary.

   A. feeding; one   B. feeds; the one     C. fed; that        D. feeding; it

 How many men does your uncle        for him?

   A. have worked     B. have to work    C. have working      D. have been worked

 Elizebeth Taylor, the Oscar winning film actress, is reported        friends that she is having problems with her memory.

   A. to tell      B. to have told        C. telling          D. having told

 What do you consider ______ to them?

   A. to happen       B. has happened    C. happening        D. happen

 In science fiction we read of flying saucers travel through        space, so people want to have        better knowledge of the universe.

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