35. It is hard to say what kind of person he is. Sometimes he is very friendly; at other times he ___ be very cold.

A. can 　　　　　　　 B. must　 　　 C. will　　 　　　　　 D. shall

34. In my opinion, ___ matters is not one’s looks, but one’s inner thoughts.

A. that　　　 　　　　　 B. it　　　 　　 C. what 　　　　　 D. this

33. _____ computers are convenient to us in daily life, it may also cause other problems.

A. Whether　　　　 　 B. Because　　　 C. As　　　　　　　 D. While

32. So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.

A. has the children become　　 　　　　　 B. did the children become

C. has become the children　　 　　　　　 D. became the children

31. ---- If he_____ , he ______ that food.　　　

---- Luckily he was sent to the hospital immediately.

　 A. was warned; would not take　　　　　 B. had been warned; would not have taken

　 C. would be warned; had not taken　　　 D. would have been warned; had not taken