英语的选择题 请告诉我答案和理由，谢谢

()2. John goes to school ________ his friends’car.
A. by B. inC. at D. on
选B
理由：John坐着他朋友的车去学校。
在车的里面用in,如果要用by,应当是by car中间不能有冠词或修饰词
()3. ---- May I speak to Mary?---- ________
A. yes, I'mMary. B. Yes, you can speak.
C.Speaking. D. Who are you?
选C
理由：——我可以和Mary说话吗？
——请说。
接电话时的固定用语
()6. There are many hills in the country. A train usually goes________ tunnels.
Aacross B. through C. along D. up
理由：这个国家有很多山。火车通常从隧道开。
从某物内部穿过应当用through，从表面越过用 across
()14. ________ nice weather it is today!
A. What B.What a C. How D. How a
选A
理由：今天的天气真好！
what+(a/an)+形容词+名词+主语+谓语（天气为不可数名词，不加a)
how+形容词+主语+谓语
()19. --Could I look at your new coat? --Yes, of course you ________.
A. may B.can C. will D. might
选B
理由：——我可以看一看你的新外套吗？
——是的，你当然可以。
词义辨析
()20. That boy doesn't know what________.
A. does B.to do C. to do it D. doing
选B
理由：那个男孩不知道要做什么。
特殊疑问词+to do做宾语从句
()23. I'm good at fishing and I can catch a fish________five minutes.
A. with B.without C. for D. within
选D
理由：我擅长于钓鱼，我可以在5分钟之内钓到一条鱼。
词义辨析 within在.....之内
()24. We________frighten the animals in the park.
A. ought toB. ought not to C. will D. should
选B
理由：我们不应该吓到公园里的动物。
句子翻译，否定形式只有B
()25. Tomorrow I will go swimming________fishing.
A. insteadgo B. instead of going C. instead of go D. instead going
选B
理由：明天我会去游泳而不是去钓鱼。
instead of固定词组，代替，而不是 of为介词，后面的动词应用ing形式
()27. Can you tell me________ make nice coffee?
A. to howB. how C. to D how to
选D
理由：你可以告诉我怎样制作好喝的咖啡吗？
tell sb. +特殊疑问词+to do sth.
()30. Don't________. We still have enough time.
A. worry B.be worry C. worried D. get worry.
选A
理由：不要担心。我们仍然有时间。
Don't +动词原形 为祈使句

　　()2. John goes to school ___B_____ his friends’car.
A. by B. inC. at D. on
()3. ---- May I speak to Mary?---- ___C_____
A. yes, I'mMary. B. Yes, you can speak.
C.Speaking. D. Who are you?
()6. There are many hills in the country. A train usually goes____B____ tunnels.
A.across B. through C. along D. up
()14. ____A____ nice weather it is today!
A. What B.What a C. How D. How a
()19. --Could I look at your new coat? --Yes, of course you ___B_____.
A. may B.can C. will D. might
()20. That boy doesn't know what__B______.
A. does B.to do C. to do it D. doing
()23. I'm good at fishing and I can catch a fish____D____five minutes.
A. with B.without C. for D. within
()24. We_____B___frighten the animals in the park.
A. ought toB. ought not to C. will D. should
()25. Tomorrow I will go swimming____B____fishing.
A. insteadgo B. instead of going C. instead of go D. instead going
()27. Can you tell me___D_____ make nice coffee?
A. to howB. how C. to D how to
()30. Don't__A______. We still have enough time.
A. worry B.be worry C. worried D. get worry.

ACBCBBD 24，C 25，D
27，D
30，A