Attention, please. The flight has to be_______ because of the heavy rain.
We in the same school for three years.
Recognized as ________ world cultural heritage by the United Nations in 2002, paper cutting is ________ practice which originated in ancient China.
Will you go to Hangzhou next week?—Yes. It’s not my_____ time to go there, ______ I still feel excited.
Mum, must I wash the dishes right now? –No, you______.