---It is reported that a Boeing 777-200 plane became lost in communication (失去联系) at midnight __________ the early morning of March 8th. ---I was amazed to hear that.
--Mr.Black used to be a worker,_________? --Yes,he_______. Now he is a policeman.
–Could you please tell me__________? --He is under the big tree over there.
I like these photos and they can________me________the life living in America.
He wasn’t able to arrive on time__________the heavy snow.
Our classroom is so clean. It__________every day.