-----What time do you usually get up _____ weekdays?-----______about six o’clock.A .at; At B .on; To C .on; At
It isn’t warm today, the sun is shinning.
Teenagers like reading the books ________ are written by Guo Jingming.
Kate knew nothing _______ her mother told her.
There are many kinds of pollution around us, _________ air pollution, noise pollution and light pollution..
You may ________the story book for two weeks.