–The sunglasses on your desk are nice. Are they ______?

–Yes, I got them from my parents as a birthday present.

A. yours

B. your

C. yourself

A 【解析】句意：——你桌子上的太阳镜很好看。它们是你的吗？——是的，我从父母那里得到了生日礼物。考查物主代词辨析题。空格后面没有名词，需用名词性物主代词作表语；your是形容词性物主代词，yourself是反身代词，都可排除。根据句意语境，可知选A。

–Did you watch the basketball match on TV last night?

–I wanted to, but my father______ his favorite TV program.

A. watched

B. was watching

C. watches

B 【解析】句意：——昨天晚上你看电视上的篮球赛了吗？——我想看，但是我爸爸正在看他最喜欢的电视节目。考查动词时态辨析题。根据句意语境，“我”昨晚想看篮球赛的时候，父亲正在看他的节目，可知需用过去进行时，可排除AC选项，故选B。

–It’s reported that Fuxing high-speed train can go as ______ as 350 km an hour.

–Wow, how amazing!

A. fastest

B. faster

C. fast

C 【解析】句意：——据报道，复兴高速列车能以每小时350公里的速度行驶。——哇，太神奇了！考查同级比较。as+形容词或副词+as，是同级比较，表示“和……一样……”，可排除AB两项。go是动词，需用副词修饰。根据句意结构，可知选C。

–Why ______ we close that chemical factory?

–Because it has caused lots of pollution. We need better environment.

A. must

B. can

C. may

A 【解析】句意：——我们为什么一定要关闭化工厂？——因为它造成了很多污染。我们需要更好的环境。考查情态动词辨析题。must必须，强调主观意愿；can能，表允许或有能力；may可以，表允许。本句是进行强调，根据句意语境，可知选A。

–Look, what an old bridge! It looks so special!

–Yeah, it ______ nearly 500 years ago.

A. was building

B. was built

C. has built

B 【解析】句意：——看，多么古老的桥啊！看起来很特别！——是啊，它是近500年前建造的。考查动词语态辨析题。it指的是上一句的bridge，是动词build的受动者，需用被动语态。500 years ago五百年前，用于一般过去时。根据句意结构和语境，可知选B。

–Julia, your mobile phone is ringing.

–Wait a minute. It’s dangerous ______ it while crossing the street.

A. answering

B. answer

C. to answer

C 【解析】句意：——-朱丽亚，你的手机响了。——等一下。过马路时接电话是危险的。考查动词辨析题。It + be + adj. for (of) sb to do sth 某人做某事……，是固定句式，不定式结构做真正主语。根据句意结构，可知选C。

______ exciting the news is! Beijing will hold 2022 Winter Olympic Games.

A. How

B. What a

C. What

A 【解析】句意：多么令人兴奋的消息啊！北京将举办2022届冬季奥运会。考查感叹句。英语中感叹句有两种形式：1.what引导的感叹句，其构成：what+a/an+形容词+可数名词单数+主语+谓语!/ what +形容词+可数名词复数+主语+谓语!/ what +形容词+不可数名词+主语+谓语! 2. How引导的感叹句，其构成：how+形容词/副词+主语+谓语!本句exciting令人兴奋的...

–There is someone knocking at the door.

–It must be the repairman. I ______ him to come to fix our fridge two hours ago.

A. call

B. have called

C. called

C 【解析】句意：——有人敲门。——一定是修理工。两小时前我叫他来修冰箱。考查动词辨析题。two hours ago两小时前，用于一般过去时，可排除AB两项；根据句意语境，可知选C。

– Thank you for telling me so much knowledge about nature.

–Don’t mention it. ______ you have more questions, come to me any time.

A. If

B. Because

C. Though

A 【解析】句意：——谢谢你告诉我这么多关于自然的知识。——别提了。如果你有更多的问题，随时找我。考查连词辨析题。本句是条件状语从句，需用if连接，而because表原因，though表让步，都可排除。根据句意结构和语境，可知选A。

–What do you think of the fish soup?

–Well, it ______ a bit salty.

A. looks

B. smells

C. tastes

C 【解析】句意：——你觉得鱼汤怎么样？——嗯，味道有点咸。考查连系动词辨析题。三个选项都是连系动词：look看起来，smell闻起来，taste尝起来，后面都接形容词。根据问句和语境，可知选C。