91People who listen to Hawking"s lecture sometimes find ____ difficult to understand him.
A.him
B.that
C.it
D.its
开始考试练习点击查看答案92His mother always tells him that he should be more careful, but ____ doesn"t work.
A.which
B.she
C.he
D.it
开始考试练习点击查看答案93I think ________ important to get on well with my classmates.
A.it
B.there
C.this
D.that
开始考试练习点击查看答案94He didn"t make ____ clear when and where the meeting would be held.
A.this
B.that
C.it
D.these
开始考试练习点击查看答案95The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
A.that
B.it
C.this
D.him
开始考试练习点击查看答案96I"d appreciate ____ if you would like to teach me how to use the computer.
A.that
B.it
C.this
D.you
开始考试练习点击查看答案97— I read the 21st Century Senior 2 Edition every day. — _____ no wonder that your vocabulary is so large.
A.There is
B.There will be
C.It is
D.There could be
开始考试练习点击查看答案98I would appreciate _____ if you can keep an eye on my dog while I am away.
A.you
B.that
C.不填
D.it
开始考试练习点击查看答案99_____ some 200 kilometers from Yangzhou to Nanjing.
A.There is
B.It is
C.It has
D.There lies
开始考试练习点击查看答案100I would appreciate ____, to be frank, if my cell phone could be fixed as soon as possible.
A.you
B.it
C.this
D.myself
开始考试练习点击查看答案