With the development of the technology, nobody knows ________ the world will be like.
that
what
how
Do you think orange car can reach that speed inhour?
SichuanfoodishotterthanShanghainesefood.That's______________.
For your homework, I want you to remember the names of all the planets in ___correct order.
_______youuseyourdictionaryoften,yourspellingwillimprove.
—It'shottoday.Whynotgoforaswim? —________.Let'sgo.