A) can’t have been

　　B) mustn’t have been

　　C) shouldn’t have been

　　D) wouldn’t have been(A)

　　2. A well-written composition ________ good choice of words and clear organization among other things.

　　A) calls on

　　B) calls for

　　C) calls up

　　D) calls off(B)

　　3. The traditional approach ________ with complex problems is to break them down into smaller, more easily managed problems.

　　A) to dealing

　　B) in dealing

　　C) dealing

　　D) to deal(A)

　　4. It has been revealed that some government leaders ________ their authority and position to get illegal profits for themselves.

　　A) employ

　　B) take

　　C) abuse

　　D) overlook(C)

　　5. We were struck by the extent ________ which teachers’ decisions served the interests of the school rather than those of the students.

　　A) to

　　B) for

　　C) in

　　D) with(A)

　　6. Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first ________.

　　A) intention

　　B) attempt

　　C) purpose

　　D) desire(B)

　　7. The ancient Egyptians are supposed ________ rockets to the moon.

　　A) to send

　　B) to be sending

　　C) to have sent

　　D) to have been sending(C)

　　8. The store had to ________ a number of clerks because sales were down.

　　A) lay out

　　B) lay off

　　C) lay aside

　　D) lay down(B)

　　9. All the students in this class passed the English exam ________ the exception of Li Ming.

　　A) on

　　B) in

　　C) for

　　D) with(D)

　　10. Young adults ________ older people are more likely to prefer pop songs.

　　A) other than

　　B) more than

　　C) less than

　　D) rather than(D)