I will look after your dog while you are away.You worry about it.

A. shall not B. can’t C. shouldn’t D. may not

C 【解析】句意：你不在的时候我会照顾你的狗，你不必担心。A. shall not将不要； B. can’t 不能；C. shouldn’t不需要，没必要；D. may not不见得；不可以；未必。结合句意可知C正确。

Mr. Smith will give us a talk on computers next week.

A. at times B. sometime C. sometimes D. some times

B 【解析】句意：史米斯先生下星期某个时候将给我们作一次计算机讲座。A. at times有时； B. sometime副词，意思是“在某个时候”。可用于一般过去时或将来时。C. sometimes为副词，意思为“有时”，可用于句首、句中或句末，在句中作状语。D. some times是词组，意思为“几次，几倍”，其中的times为可数名词的复数形式。at times 与sometimes ...

The doctor asked my father to give up to keep healthy.

A. smoking B. smoke C. smoke D. to smoke

A 【解析】句意: 医生要我父亲戒烟以保持健康。give up doing sth，放弃做某事，表示主观放弃，自己放弃。故选A。

We should pay attention to the teacher carefully.

A. listen to B. listening C. listening to D. listen

C 【解析】本题考查非谓语。句意“我们应该集中注意力认真听老师的课”。pay attention to集中注意力。listen to听。故选C。

It is in Shanghai_______ I met my classmate.

A. who B. what C. that D. where

C 【解析】句意：我是在上海遇到我的同学的。A. who谁；B. what什么；C. that D. where哪里。本题考查固定句型：It is / was＋被强调的部分＋that(who)+剩余的部分。被强调的部分是人用who，地点用that。用where的话不要加in。故选C。

The food was _______ for me to eat up all of them.

A. enough delicious B. delicious enough C. much enough D. enough much

B 【解析】句意: 这食物够好吃的，我都吃光了。enough修饰形容词或副词时，一律放在形容词或副词的后面修饰。delicious 是形容词，所以只能说delicious enough，“足够美味”。 much是程度副词，所以much enough 搭配是对的。再结合句意可知，因为食物好吃，才吃光。而不是因为多，才吃光。故选B。

He is so clever that he can always_______ different ideas.

A. think B. come up with C. come up D. remind

B 【解析】句意：他很聪明，总能想出不同的主意。A. think 认为； B. come up with提出，想出； C. come up发生；提到；开庭； D. remind提醒；使想起。结合句意可知选B。

Not only he but also his parents_______ from the USA.

A. is B. are C. comes D. was

B 【解析】句意：不仅他而且他的父母都来自于美国。“来自于”用be from或come from表示。Not only …… but also……主要用于连接两个对等的成分；若连接两个成分做主语，其后谓语动词与靠近的主语保持一致。his parents为复数，因此谓语用are或come。故选B。

I have great fun_______ this game.

A. to play B. to playing C. play D. playing

D 【解析】句意：我玩这个游戏很开心。have fun doing sth. 表示：做某事很开心。故选D。

Are you going to_______ this challenge?

A. take up B. take down C. take off D. take on

D 【解析】考查动词短语用法辨析。句意：你要接受这个挑战吗？A． take up从事；B． take down取下，记下；C． take off脱下，拿掉；D． take on接受，承担。接受挑战，故选D。