求答案高一英语单选21.You should be patient, John. Learning ______ lan

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 so C. If not D. 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. that D. those
24. The reason _______ he gave for his coming late was ______ his car broke down on the way.
A. why; because B. why; that C. that; that D. for which; that
25.This sentence just doesn’t make any _________, no matter how you read it.
A. meaning B. importance
C. sense D. value
26. Standing on the top of the mountain is an ancient tower _______ from hundreds of years ago.
A. dated B. to be dating
C. dating D. to be dated
27.The farmers use wood to build a house ________ they can store grains all the year around.
A. for which B. which C. whom D. 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 time B. that C. 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. where D. in which
30.I want to have a penfriend, hopefully a girl in her early twenties, and with interests similar ________ mine.
A. as B. like C. to D. with
31.I have many books,but ______ deals with the problem.
A. None of which B. None of them C.All of which D. All of them
32.What prevented your plan ___________________?
A. from being carried out B. from carrying out
C. to carry out D. 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. it D. wha
34.The damage that human activities have caused to the environment _________ people greatly.
A. surprises B. surprised C. surprising D. surprise
35.Mrs Green went to the shop to buy some salt, ________ the baby ______ after by her sister.
A. left; looked B. leaving; looked C. leaving; looking D. left; looking