改写句子按括号中的要求完成改写后的句子，每个空格填一个单词。
1．we use plastic bags when shoppin9．（改为否定句）
We __________ ____________plastic bags when shopping．
2．Many visitors will come to our city in October．（就画线部分提问）
__________ ______________many visitors come to your city?
3．My friend asked me．“Do you help your parents with the housework on weekdays?”（改写句子，句意不变）
My friend asked me __________I __________ my parents with the housework on weekdays．
4．Teenagers call learn more knowledge from real life if thy have more chances to experience it．（改写句子，句意不变）
More knowledge can _________ _________by teenagers from real life if they are given more chances to experience it．
5．They are all willing to work for the 11th National Games freely．（改写句子，句意不变）
They all want to work _________ __________ for the 11th National Games．
根据汉语意思完成英语句子，每个空格填一个单词。
1．我们应当勤洗手、多锻炼，以预防甲型HlN1流感。
We should often ________our ________and do more exercise to prevent the A／H1N1 flu．
2．我长大之后，我们的城市将会是什么样子呢?
What will our city be like when I_________ ____________?
3．1998年9月22日法国的34个城市首先发起了“无车日”活动。
The“No Car Day”was ________ ________ by 34 cities in France on September 22，1998．
4．当非法建筑物被拆除时，它的主人看上去很尴尬。
The owner of the illegal building __________ very __________ when the building was _________ ___________．
I hope we can fly to _______ moon one day．
A．a B．an C．the D．/
Xiao Shenyang says that _______ job is to make people happy．
A．his B．he C．him D．himself
_______ March 28，about 20 Chinese cities turned off lights of major buildings for one hour．
A．At B．In C．On D．Of
Now the train service is very good．The trains are _______ on time．
A．hardly B．always C．never D．sometimes
Helen has two sisters and a brother．Her brother is working，but _______ her sisters are still at school．
A．neither B．either C．all D．both
--Lisa，we need to clean the kitchen．Could you _______ the trash?
--Yes，sure．
A．take after B．take off C．take place D．take out
-- Must I answer this question in English?
-- No，you _______．
A．mustn't B．needn't C．can't D．shouldn't