______ his classmates ______ his Maths teacher has gone hiking. You can’t find them at school.
Has your brother returned from America yet? — Yes, but he ______ here for only three days before his company sent him to Africa
The way ______he looks at problems is wrong.
_____ for the free ticket, I would not have gone to the films so often.[ ]
My favorite TV _________ is A Bite of China (舌尖上的中国).–We like it, too. My mother often cooks delicious food after watching it.