初中语法选择、哥哥姐姐快帮帮It's a long story,but you can hardly find new

初中语法选择、哥哥姐姐快帮帮
It's a long story,but you can hardly find new words in it.
Good!______it will be too hard for children.
A or B And C But D So
Tony has a lovely garden.____it is looked after!
A How good B How well C What a good one D What good
There's something wrong with my watch.l'll have it_____
A repair B to repair C repairing D repaired
Mrs.May praised Mary_____her good marks.
A for B to C with D of
答案分别是A B D A 想知道具体的解题思路