一些填空、选择题希望解释清楚为什么1、My aunt worked till midnight__the Internet for some information.（search）为什么答案是searching?2、He pulled__the rope hanging from above to see if it was safe for the climb.A.in B.at C.

一些填空、选择题希望解释清楚为什么1、My aunt worked till midnight__the Internet for some information.（search）为什么答案是searching?2、He pulled__the rope hanging from above to see if it was safe for the climb.A.in B.at C.
一些填空、选择题希望解释清楚为什么
1、My aunt worked till midnight__the Internet for some information.（search）
为什么答案是searching?
2、He pulled__the rope hanging from above to see if it was safe for the climb.
A.in B.at C.off
为什么答案是B?顺便翻一下这句句子.
3、The hotel cleaner entered__a bucket and a mop.（carry）
为什么答案是carrying?
4、The light is out.Our teacher__at home.
A.can't be B.must be
只要告诉我The light is 灯亮着还是不亮着?
5、—What are you searching the Internet for?
—I'm trying to find out__which is the way to the nearest park__.
ABCD4个选项老师排除下来,只有填这个.可是“which is the way to the nearest park”语序有没有问题啊?怎么看都不对啊
6、He's not very well and doesn't feel like__anything.
A.eat B.eating C.to eat
为什么答案是B?like不也有to
7、The house had running water,gas but for__reason there was no electricity in the kitchen.
A.some B.certain C.
为什么选A?老师说some后面可以加单数,表示某种.可是certain 不也可以表示某种（像on certain days）
希望一一解释

一些填空、选择题希望解释清楚为什么1、My aunt worked till midnight__the Internet for some information.（search）为什么答案是searching?2、He pulled__the rope hanging from above to see if it was safe for the climb.A.in B.at C.
1、My aunt worked till midnight__the Internet for some information.（search）
为什么答案是searching?
searching the Internet for some information现在分词短语做伴随状语,与worked同时进行.
2、He pulled__the rope hanging from above to see if it was safe for the climb.
A.in B.at C.off
为什么答案是B?顺便翻一下这句句子.
pull at the rope=give a pull at the rope用力拉绳
句意是：他用力拉那根从上面垂下的绳子,目的是看看攀爬是否安全.
3、The hotel cleaner entered__a bucket and a mop.（carry）
为什么答案是carrying?
carrying a bucket and a mop现在分词短语做伴随状语,与entered同时进行.
4、The light is out.Our teacher__at home.
A.can't be B.must be
只要告诉我The light is out的意思是：灯亮没亮.
5、—What are you searching the Internet for?
—I'm trying to find out__which is the way to the nearest park__.
ABCD4个选项老师排除下来,只有填这个.可是“which is the way to the nearest park”语序没有问题.which is the way to the nearest park中的which在句中做主语.
6、He's not very well and doesn't feel like__anything.
A.eat B.eating C.to eat
为什么答案是B?feel like doing sth喜欢做某事.
7、The house had running water,gas but for__reason there was no electricity in the kitchen.
A.some B.certain C.
为什么选A?老师说some后面可以加单数,表示某种.可是certain 也可以表示某种（像on certain days）.关于some和certain表"某种"的区别,请参阅http://zhidao.baidu.com/question/22514545.html