——I am afraid I might forget to buy the bread after work.

——Don't worry. I will you then.

A. notice B. allow C. remind D. promise

C 【解析】句意：不要担心，我会提醒你的。A. notice注意到； B. allow 允许； C. remind提醒； D. promise答应；许诺；根据Don't worry可知是会提醒你；故选C

Before the sun , we need to get to the top of the mountain.

A. set B. sets C. is setting D. will set

B 【解析】句意：太阳落山之前，我们需要到达山顶。Before 引导的时间状语从句不能用将来时态，用一般现在时态来代替，主语the sun单三，谓语动词用单数形式；故选B

Our class are much sure to win the basketball game ______ Class Three.

A. of B. in C. against D. from

C 【解析】句意：我们班确信在和三班的比赛中能赢得篮球比赛。A. of 的； B. in 在---里； C. against对抗，反对； D. from来自；根据the basketball game和 Class Three.可知是对抗三班的比赛；故选C

Some animals can ___ the color around to protect themselves.

A. take on B. give up C. put away D. see off

A 【解析】句意：一些动物能随周围变化颜色来保护他们自己。A. take on穿上，呈现； B. give up 放弃； C. put away 放好，收起； D. see off出发；根据 protect themselves.可知是呈现周围的颜色；故选A

——May I watch TV, Dad?

——When your homework is finished, you ______

A. should B. can C. must D. need

B 【解析】句意：——我可以看电视吗，爸爸？——当你的作业完成的时候，你能看。A. should 应该； B. can 能； C. must 必须； D. need需要；根据May I watch TV, Dad?肯定回答用can；故选B

——I wonder ______ Jane gets on so well with her classmates.

——Because she always cares much about others.

A. whether B. how C. when D. why

D 【解析】句意：——我想知道为什么简和她的同学相处的这么好。——因为她总是非常关心别人。A. whether 是否； B. how 怎样； C. when 什么时候； D. why为什么；根据Because she always cares much about others可知问为什么；故选D

The speaker showed some ______ examples to make the science report easy to understand.

A. awful B. stupid

C. proper D. thick

C 【解析】句意：演讲者举了一些合适的例子来使科学报告更容易理解。A. awful不舒服的，极坏的，可怕的； B. stupid愚蠢的；C. proper 合适的，恰当的； D. thick厚的；根据make the science report easy to understand.可知是合适的例子；故选C

——Will you go to the picnic this Saturday?

——I'd like to,______ I'll have to help look after my baby sister.

A. but B. or C. and D. so

A 【解析】句意：——这周六你去野餐吗？——我想去，但是我不得不照看我的妹妹。A. but但是； B. or或者； C. and 和； D. so所以；根据I'd like to和I'll have to help look after my baby sister.之间是转折关系；故选A

（题文）Little Jack has learned to do lots of things on his own , ______ he is only four years old.

A. if B. though C. for D. since

B 【解析】句意：小杰克自己学会了做许多事情，尽管他只有四岁。A. if 如果； B. though 尽管 C. for 因为，为了； D. since自从；根据Little Jack has learned to do lots of things on his own , 和he is only four years old.之间是让步关系，所以用 though 引导让步状语从句；故选B...

Yuan Longping is______ regarded as the greatest scientist in rice planting.

A. suddenly B. patiently C. hardly D. generally

D 【解析】句意：袁隆平通常被认为是在水稻种植上最伟大的科学家。A. suddenly突然； B. patiently 有耐心的； C. hardly几乎不； D. generally通常，普通的；根据句意应是普遍认为；故选D