The painting is the most expensive one _____ he bought.
―It seems that you enjoy the hot pot a lot. ―Yes. I ________ living in Chongqing now.
When you are learning English, use it, ________ you won’t make great progress.
―What’s on the table? ―There ________ some bread and an egg .
―What a heavy rain! ―So you’d better _________ swimming today.
―How soon ________ your brother ________ back from Guangzhou? ―In two weeks.