With the development of the technology, nobody knows ________ the world will be like.
that
what
how
All the students _____two groups by the teacher during the competition.
You don’t know _____ I want to see you again. It’s a year since I last saw you.
---Ann goes to play football every day. ---Oh? But she ______ it.
---How delicious the coffee is! ---That’s right. It will taste ______ with milk.
Please stop________ . I can’t hear __________ .