求答案高一英语单选

求答案高一英语单选
21.You should be patient, John. Learning ______ language is ______ slow process. You know, it takes time.
A. /; a B. a ; a C. a; /D. / ; /
22.. — I hear John fell off a tree and hurt his leg.
— ________, let’s go and see him after school.
A. If so B. Even soC. If notD. Even if
23. Boys and girls, remember, no bread eaten by man is so sweet as ____ earned by his own labor.
A. one B. it C. thatD. those
24. The reason _______ he gave for his coming late was ______ his car broke down on the way.
A. why; becauseB. why; thatC. that; that D. for which; that
25.This sentence just doesn’t make any _________, no matter how you read it.
A. meaningB. importance
C. senseD. value
26. Standing on the top of the mountain is an ancient tower _______ from hundreds of years ago.
A. datedB. to be dating
C. datingD. to be dated
27.The farmers use wood to build a house ________ they can store grains all the year around.
A. for whichB. whichC. whomD. in which
28.In the office I never seem to have time until after 5:30 p.m., ____ many people have got home.
A. whose timeB. thatC. on which D. by which
29.There is a noticeboard at the gate of the construction, _______ reads: keep out without permission.
A. which B. on which C. whereD. in which
30.I want to have a penfriend, hopefully a girl in her early twenties, and with interests similar ________ mine.
A. asB. likeC. toD. with
31.I have many books,but ______ deals with the problem.
A. None of which B. None of themC.All of which D. All of them
32.What prevented your plan ___________________?
A. from being carried out B. from carrying out
C. to carry outD. to be carried out
33.It’s too late. I can’t make _____ possible to get to the airport on time.
A. this B. that C. itD. wha
34.The damage that human activities have caused to the environment _________ people greatly.
A. surprises B. surprised C. surprisingD. surprise
35.Mrs Green went to the shop to buy some salt, ________ the baby ______ after by her sister.
A. left; looked B. leaving; lookedC. leaving; looking D. left; looking