请帮帮忙作一下下面的选择题,解释一下,并说明理由!

题目

请帮帮忙作一下下面的选择题,解释一下,并说明理由!
1.In such dry weather the flowers will have to be watered if they___.
A.have survived B.are to survive
C.would survive D.will survive
2.Hand in hand with reading, he had___the habit of making notes.
A.developed B.invented C.made D.built
3.I came to___in the end why this must be done.
A.understood B.realize C.follow D.get
4.Who is he?
A man___himself Smith.
A.named B.who is called C.calling D.calls
5.His spelling is poor but he is very___figures.
A.slow B.quick C.quickly D.slowly
如能回答这些问题,感激不尽!
请一定说明理由!谢谢!!!

答案

B A C C B
答案是啥?对了才能说理由...