21.There is such a problem we all should .
A.as;pay attention to it B.that;attract our attention
C.as;pay attention to D.that;attract our attention to it
答案 C
20.-Susan’s head ached staring at the screen for over ten hours.
-Over ten hours!That’s really what I can imagine!
A.of;above B.in;over C.through;among D.from;beyond
答案 D
19.You can’t attend the party tonight because it is stormy. ，you still haven’t got over your high fever.
A.Therefore B.However C.Moreover D.Thus
18. receiving updates on the preparatory work for the Beijing 2008 Olympic Games，he will attend to various matters.
A.Apart from B.Rather than C.Instead of D.Because of
答案 A
17. hearing someone knocking at the door，Mrs. Black it without delay.
A.Through;answered for B.On;replied to C.In;replied D.On;answered
16.He was such a famous star that he did，even his way of walking，was imitated by many young people.
A.whatever B.no matter what C.however D.no matter how
15.While in London，we paid a visit to the hospital founded Florence Nightingale.
A.in honor of B.in terms of C.in favor of D.in place of
14.-How do you think of the self-defense policy released last week?
-It is fine it goes，but it addresses only half of the prevention methods.
A.as long as B.as far as C.as well as D.as often as
答案 B
13.I think I will do it myself asking him for help.
A.rather than B.other than C.instead of D.in place of
12. me，I don’t feel pressured to study English.Instead，I enjoy it.
A.As to B.As for C.As with D.As if