—Our class will have a party the evening of June 30th. Would you like to come?—Yes, I'd love to, but I'm going to visit my grandparents in Dalian.A. in B. on C. at
This is the best film I have _______ seen.
—I’m sorry I _______my homework at home..—That’s all right. Don’t forget _______it to school this afternoon.
—Where is Li Mei now? —She _________ to Canada. She will be back in two days.
I _______ the dinner already.
The picture shows us ________ in Nanjing in the past.