They will fly to Washington,they plan to stay for two or three days.
The population of China___ to many times what it was in 1949, and most of its population ___ farmers.
Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon?
--This is the first time I ____ pictures with my own camera. --It’s time that you ___ a picture of me.
If we ___ the other road, we might have arrived here in time for meeting.
He is not ____ to be present at the meeting tonight.