You should learn to think while reading.Usually,behind the lines ______ the writer's true meaning.
Be careful when you go ____ the street because the traffic is very busy at the moment.
–When do you usually get up, Xiaoli? –____ 6:30 in the morning.
The engineer will return from Macao ____ a few days.
–When will Mr. Black come to Beijing? –____ September 5.
It was a very long day for Jack. He didn’t get home from school ____ six o’clock.