In most of the schools in China, students can’t __________
—Did you see Mr Smith when you were in France?—No.When I________France,he________to China.
He told us that he________the letters in the morning.
By nine o’clock yesterday evening,we________our work.
We________four thousand new words by the end of last year.
—Did you meet Tom at the airport?—No.His plane________by the time I________there.