Wearing skirts is dood for girls.(同义句)

问题描述:

Wearing skirts is dood for girls.(同义句)
______ good for girls ______ ______skirts.
We use chopsticks to eat noodles.(对chopsticks提问)
______ _______ yu use to eat noodles?
Is that a good idea?I'm not sure.(合并为一句)
I'm not sure______ _______ a good idea.

为你解答.
Wearing skirts is dood for girls.(同义句)
(It's)good for girls (to wear) skirts.
We use chopsticks to eat noodles.(对chopsticks提问)
(What do) you use to eat noodles?
Is that a good idea?I'm not sure.(合并为一句)
I'm not sure (whether that's) a good idea.2.不是what's吗?3.用if可以吗?2、是what,不是what's,没有be动词。3、可以用if。