I donnot know the answer - ---the question.A of B to C about D for

问题描述:

I donnot know the answer - ---the question.
A of B to C about D for

the answer to the question 固定词组 问题的答案。
要用to 选择 B
其他一定要用to 的还有the key to the door

B the answer to

B
一般表示“的”用of,
但是,表示“一对一”的时候,只能用to
the key to the door 门的钥匙
the answer to the question 问题的答案