1．I think we’d better have a discussion about ____________ we’ll go camping this weekend or not.
答案：whether
2．____________ the delayed flight will take off depends much on the weather.
答案：When
3．(2019·江苏苏州四市五区调研)It is obvious _____________ the local government can do to protect the environment for future generations.
答案：what
4．____________ is a pity that we can’t go to Beijing for a trip this summer holiday.
答案：It
5．Grandma pointed to the hospital and said, “That’s ____________ you were born.”
答案：where
