Don’t give up your English study. is too difficult if you put your effort into it.

A. Anything B. Something C. Nothing D. Everything

C 【解析】句意：不要放弃你的英语学习。如果你付出了努力，没有什么是太难的。anything任何事，something某物；nothing没什么；everything一切。根据Don’t give up your English study.可知不要放弃，因此没有什么事是困难的。故选C。

It’s not easy for trailwalkers to finish walking a__ trail within 48 hours.

A. 100-kilometre B. 100-kilometres

C. 100 kilometres D. 100 kilometres’

A 【解析】试题分析：句意为：在48小时之内走完100公里的轨道对轨道寻路员来说是不容易的。在英语中，数词与名词之间用连字符号连接，相当于一个形容词，因此没有复数形式，直接修饰后面的名词。结合选项可知应选A。

—Granny, the school trip was very exciting but a little tiring.

—Oh, could you tell me__________?

A. how did you go to the park

B. what you did in the trip

C. that you saw something beautiful

D. if your friends had played with you

C 【解析】试题分析：本题考查宾语从句的用发，一定要注意时态和主句保持一致，还有从句要用陈述语序；句意：Granny，学校郊游非常的令人激动但是有点累----哦，你能告诉我在旅游中你做什么了？ 结合句意，故选C

Simon makes friends in his class because he is very selfish.

A. few B. a few C. little D. a little

A 【解析】试题分析：句意：Simon因为他很自私所以在班里几乎没交几个朋友。此空是修饰可数名词friends，所以排除C、D；根据句意是“几乎没有”，所以选few，故选A。

This digital camera too much. I can’t afford it.

A. takes B. spends C. pays D. costs

D 【解析】句意：那个数码相机花费太多。我买不起它。It takes sb time to do sth做某事花费某人时间；sb spends time doing sth某人做某事花费时间；sb pays money for sth某人为某物支付钱；sth costs （sb） money某物花费（某人）一些钱。此处主语this digital camera是事物，故用costs。故选D。...

—May I help you? You seem to have some trouble.

—________thanks. I think I can manage it myself.

A. No problem. B. There’s no way.

C. That’s all right. D. All right.

C 【解析】试题分析：句意：我可以帮助你吗？你似乎有一些麻烦。——没关系，谢谢你。我认为我自己能够处理。A. No problem. 没问题； B. There’s no way. 没有办法；C. That’s all right. 没关系；D. All right.好吧。依据语境理解，答案为C。

—How clean the classroom is!

—Yes. It ________ just now.

A. has cleaned B. was cleaned C. is cleaned D. cleaned

B 【解析】句意：——那个教室多少干净啊！——是的。它刚被打扫的。根据just now可知此处用一般过去时，结合句意，主语it与谓语clean之间是被动关系，故用一般过去时的被动语态，故选B。

I ________ believe that she ________ there too.

A. could, wasn't B. couldn't, was C. couldn't, is D. could, isn't

B 【解析】句意：难以相信她也在那里。本句是宾语从句，当主句是一般过去时态时，从句为过去的某一时态。could是can的过去式；was是is的过去式。故选：B。

She ________ but could ________ nothing.

A. heard, listen B. listened, hear C. listened, listen D. heard, hear

B 【解析】句意：她听，但什么也听不见。listen动词，听，强调动作，listened是过去式。hear动词，听见，强调动作的结果，heard是过去式。could情态动词，后跟动词原形。故选：B。

He shouted ________ help, but no one came ________ a long time.

A. to, to B. to, for C. for, to D. for, for

D 【解析】句意：他大声求救，但是好长时间没有人来。shout for help大声求救，for, 介词，表示目的。for a long time一段时间，for介词，后跟一段时间。故选: D。