26. How can the boy stand ______D__ like that?
A. treating B. be treated C. it treated D. being treated
27. I can't imagine anything ____B____ to him.
A. happen B. happening C. to happen D. happened
28. Mrs. Brown is supposed ____A__ for Italy last week.
A. to have left B. to leave C. to be leaving D. to have been left
29. The fish’s sense of smell is most ___C_______.
A. actuated B. accurate C. acute D. active
30. Before going to bed, she ___C____ that the door was locked.
A. insured herself B. assured C. assured herself D. insured
37. In all countries it is good manners to behave __D____ toward others.
A. considerably B. conscientiously C. consciously D. considerately
44. The mayor of this district is a __D___ old man.
A. respective B. respectful C. respecting D. respectable
45. By the time I got downstairs the telephone __D___.
A. stopped to ringing B. had stopped to ring
C. has stopped ringing D. had stopped ringing
请说说每题为什么这样选, 谢谢,