Can you see a set of keys here?
Don’t copy others’ work. If you do it by ________, you’ll feel much better.
You won’t feel happy at school _________ you get on well with your classmates.
I am looking after little Tom today. He’s been in my house _________ 8:00 this morning.
-- 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.
-- Lily, is this _________ ipad? --No, it’s not mine. I think it’s Lucy’s.