下面几道题帮我解答下,谢谢.

题目

下面几道题帮我解答下,谢谢.
1.He got up early,【】to catch the train
A.hoping
B.to hope
请详细解答,动词ing形式和to do有什么不同?
2.还有：A lot of trees【】around here every year make up the beautiful woods
A.planted
B.are planted
不是被动语态么.为什么选A?
3.It is【】waste of time
A,a
B,the
怎么选,为什么?
4.Every boy and every girl 【is】pleased when they saw Shenzhou VI was sent up to space
为什么谓语使用单数?
He was chosen【】of the company
A.manager
B.as a manager
帮我解答下谢谢.

答案