The boy is tall enough the top of the shelf.(reach)

The boy is tall enough the top of the shelf.(reach)
The heavy rain prevented us from out.So we had to stay in our classroom doing our homework.(go)
Jack had trouble the problem.(solve)
( )-There a football game tonight.Would you like to go with me?
-I'd love to.
A.will have B.is going to have C.has D.is going to be
( )He found a job in this city.That's he came here.
A.what B.who C.why D.how
( )When we talk with other people ,we should speak .
A.as polite as possible B.as politely as possible
C.so polite as possible D.so politely as possible

题目呢?亲~~
再问： The boy is tall enough the top of the shelf.(reach) The heavy rain prevented us from out.So we had to stay in our classroom doing our homework.(go) 亲~要告诉我为什么哦~
再答： The boy is tall enough （to reach) the top of the shelf.(reach) The heavy rain prevented us from (going) out.So we had to stay in our classroom doing our homework.(go) be +adj+enough +to do sth 足够怎样做某事 prevent sb from doing sth 阻止某人做某事
再问： 感激不尽！！！！ 还有题、、再看看教教我~
再答： The boy is tall enough （to reach) the top of the shelf.(reach) be +adj+enough +to do sth 足够怎样做某事 The heavy rain prevented us from (going) out.So we had to stay in our classroom doing our homework.(go) prevent sb from doing sth 阻止某人做某事 Jack had trouble （solving) the problem.(solve) have trouble (in) doing sth 做某事有麻烦 (D )-There a football game tonight. Would you like to go with me? -I'd love to. A.will have B.is going to have C.has D.is going to be there will be 或者there is going to be的固定结构，没有there will have 的结构 (C )He found a job in this city.That's he came here. A.what B.who C.why D.how 根据意思，他在这座城市找到了工作，这就是他为什么来到这的原因。 (B )When we talk with other people ,we should speak . A.as polite as possible B.as politely as possible C.so polite as possible D.so politely as possible 副词修饰动词 as+adj/adv+as 结构为固定结构
再问： as as是尽可能的意思吗？ 还有一题求教~ Old are hard to change.(habit)
再答： habits as+adj/adv+as +possible 尽可能做什么事
再问： 为什么是habits呢?
再答： 因为后面是are,所以用复数