Visitors ________ not to touch the exhibits.
There is no need to leave a tip in Canada. Service ________ in the bill.
——Why did you not come to the party? ——I ______ it, but my car broke down on the way.
The teacher is very much ____ letting students use i-phones in the class.
The Voice of China has set up a stage____ some people can realize their dreams.
---- What are you going to do this weekend?---- I don’t know. I go to Beihai Park.