—Could you tell me______ at this time yesterday?—Oh, I was watching TV.A.when you were goingB.where you were goingC.what you were doing
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.