My mother decided _________ us to the zoo and we all jumped with joy.

A. taking B. to take C. take D. took

B 【解析】句意：我妈妈决定带我们去动物园，我们高兴的跳了起来。根据decide to do 决定做某事，不定式做宾语；故选B

—_________ do you go to the bookstore? —Once a month.

A. How often B. How many times C. How many D. How long

A 【解析】句意：——你多久去一次书店？——一月一次。A. How often 多久（通常指频率）； B. How many times 多少次； C. How many 多少（通常修饰名词复数）； D. How long多长（通常指做某事用了多长时间）；根据Once a month.可知是指频率；故选A

Amy ________ the windows already, so the room looks much brighter.

A. cleans B. cleaned C. is cleaning D. has cleaned

D 【解析】句意：艾米已经擦窗户了，因此房间看起来亮多了。根据already可知用现在完成时态；故选D

—Can she ___________ it in English? —No, she can't.

A. talk B. talks C. speak D. say

D 【解析】句意：——她会用英语说它吗？——不，她不会。A. talk 谈论（强调两者交谈）； B. talks 谈论（强调两者交谈）； C. speak 说（通常指说某种语言）； D. say说（通常指说话的内容）；根据can后用动词原形，这里有it，说话的内容；故选D

Hearing the story，he looked ．

A. exciting，exciting B. excited，excited

C. exciting，excited D. excited，exciting

C 【解析】句意：听到这个激动人心的故事，他兴奋极了。exciting常用来修饰物；excited 常用来修饰人。 根据句意判断，答案为C。

Those young kids have good fun ____________the museum.

A. to visit B. visit C. visiting D. visited

C 【解析】句意：那些小孩参观博物馆很高兴。根据have fun doing sth高兴做某事；故选C

It is polite ___________ a gift when you visit somebody for the first t time.

A. take B. taking C. to take D. takes

C 【解析】句意：当你第一次拜访某人带个礼物是有礼貌的。it’s+形容词+to do做某事是怎样的，it在这里做形式主语，不定式做真正的主语；故选C

My best friend, Wang Xu, always ____________ me in table tennis.

A. win B. beat C. wins D. beats

D 【解析】句意：我最好的朋友，王旭，经常在乒乓球上打败我。根据主语My best friend单三，谓语动词用单数形式，所以排除A/B；win赢，后接比赛，beat打败，后接人；故选D

When winter comes, days get _____________.

A. long and long B. short and short

C. longer and longer D. shorter and shorter

D 【解析】句意：当冬天来临，白天变得越来越短。根据常识可知是越来越短，故排除A/C；根据比较级and比较级 越来越；故选D

“Food Safety” has become one of the hottest topics recently.

—Yeah, it receives ________ Internet hits (点击) a day.

A. thousands B. thousand of

C. thousands of D. ten thousands

C 【解析】试题分析：句意为：---“食品安全”成为了最近最热点的话题之一。---是啊，它每天的网上点击成千上万。在英语中，当hundred/thousand/million等词前有确切数字时，hundred/thousand/million等词后应不加“s”，且无of；当hundred/thousand/million等词前无确切数字时，hundred/thousand/million等词...