（what）i want to know is （whether）it is worth doing为什么这样填啊?

（what）i want to know is （whether）it is worth doing为什么这样填啊? (what)i want to know is (whether) it is worth doing 括号里的为什么这 question is whether it is worth doing. ____I want to know is ____it is worth doing. whatever is worth doing at all is worth doing （it） well.为什么 what is simon doing?I want to know.合并I wonder what is simon The question is whether it is worth doing. I wonder______ it is worth doing 填that 还是if 英语选择和填空The questions is A whether is it worth doing B that i I want to know whether it is polite to eat food with my fing it is (well/very) worth doing 填哪一个 为什么 i want to know what love is