Question

えいじ

関係詞
課題が出たのですが分からないので教えて欲しいです🙇‍♀️

2 1~4に続く英文を (a)~(d) から選び, ( ) にwhy か how かを入れて言いなさい. A
1. I walk for ten kilometers every day.
2. I like children very much.
3. I read English textbooks aloud many times.
4. This book is so interesting that I can't stop reading it.
(a) That is ( why
)Irecommend it.
)I've learned to speak English.
)I'm trying to lose weight.
)Iwant to be a kindergarten teacher.
(b) That is ( how
(C) That is (
(d) That is ( why
how