Bob promises to join in the football match ______ he has to help his parents on the farm. A. if B. as C. unless
— Can I have __________ pieces of bread? — Sorry, there’s __________ left.
Do you believe what he _______about his best friend? Yes , he never _______lies.
Which city is ______from Wuxi, Beijing or Shanghai?
The light on the wall is broken. He wants to ____a new one.
you read, you understand.