I don’t remember when and where I this umbrella.
Don’t play a joke______ people in trouble. [ ]
Do you know the artist _______ the judges gave a prize? —Yes. He is the teacher _______ I have been taught painting for two years. [ ]
The box is ______ heavy for me ______ carry.[ ]
What’s the weather like in summer in Hangzhou?——-It’s __________.