How long is it you started the project of protecting the environment?

A. before B. if C. since D. when

C 【解析】句意：自从你开始了保护环境的那个项目，多长时间了？before在…..之前，用于句型It won’t long before +一般现在时，表示“不久……”，if“如果”，引导条件状语从句，用一般现在时表示一般将来时；since自从，引导一般过去时的句子；when当……时候，引导时间状语从句是一般过去时，主句用过去进行时。此处started是一般过去时，故用since引导时...

---What’s wrong with Jim?

--- His car broke down on his way to work. And___________.The car behind was out of control and hit Jim.

A. a good miss is as good as a mile

B. it never rains but it pours

C. the early bird catches the worm

D. every dog has its day

B 【解析】 试题分析：句意：--吉姆怎么了？--在去工作的路上他的汽车坏了，后面的车失控了，撞了吉姆。A. a good miss is as good as a mile快要成功了；B. it never rains but it pours不鸣则已一鸣惊人；C. the early bird catches the worm早起的鸟儿有虫吃；D. every dog has it...

________ it is today!

A. What fine weather B. What a fine weather

C. How a fine weather D. How fine a weather

A 【解析】 试题分析：句意：今天是多么好的天气呀！感叹句What+形容词+不可数名词+主语+谓语；由于weather是不可数名词，故用What引导。故选A。

—Remember to ask her to call me back.

—_______.

A. Never mind B. That’s right C. Up to you D. Got it

D 【解析】试题分析: 句意：----记着叫她给我回电话。---收到，明白。A是决不介意；B那是对的；C看你的；D收到，明白。故选D。

-- Did you have a discussion with him about the matter?

--- No. When I saw him, he________ his history project busily.

A. has prepared B. prepares C. was preparing D. prepared

C 【解析】句意：——你和他关于那个问题讨论过了吗？——没有。当我看见他时，他正在忙碌地准备历史项目。When引导的时间状语从句，用一般过去时，主句用过去进行时was/were doing，故选C。

If you don’t go to the meeting tomorrow, ________?

A. he will, too B. he does, too C. he won’t, either D. he doesn’t, either

C 【解析】句意：如果你明天不去开会，他也不会去。A. he will, too他也要去。和句意矛盾。错；B. he does, too他也要去。和句意矛盾。错；C. he won’t, either他也不去；D. he doesn’t, either他也不去。本题描述的是明天将要发生的动作，因此用一般将来时态。答案C是一般将来时态；答案D是一般现在时态。故选C。

—A latest magazine, please.

—Only one left but it is a little dirty. Would you like to have ________?

A. it B. one C. this D. that

A 【解析】句意：－请来一本最近的杂志。－只剩下一本了，而且它有点脏。你要吗？指代前句中的单数事物，用it。故选A。

—Which book would you like to borrow?

—________ of the two books is OK with me.

A．Either B．Both

C．Any D．None

A 【解析】 试题分析：根据the two books，可知是两者之间，故排除C、D.又根据is，句中只能选either.用both，谓语动词要用are.

________ is the population of the city?

A. How many B. What C. How many D. How much people

B 【解析】句意：这座城市的人数是多少？A. How much多少，问不可数名词的数量；B. What什么，询问事物；C. How many多少，询问可数名词的数量；D. How much people多少人。错误的搭配，people是可数名词的复数，而how much只能询问不可数名词的数量。本句询问的是“人口的数目”是“什么”。故选B。

About ________ the fans are waiting here. They want to see the great singer.

A. two thousand of B. two thousand C. thousand of D. two thousands of

B 【解析】句意：大约两千歌迷等在这儿，他们想要看一下那位伟大的歌手。表示实指时，thousand前加数词，thousand用成单数形式，后不加介词of；表示虚指时，thousand用复数形式，后跟介词of，前不加数词。故选B。