We usually do some cleaning _____ weekends. [ ]
I don’t know how to begin a talk with Betty. She can sit all day long ______ a word. [ ]
Which team will the Chinese football team play _____? —The Korean team. [ ]
Should people stop using their cars and start using public transport?— __________. The roads are too crowded as it is.
I couldn’t believe it, but ______ in black and white, signed by the bank manager.