You see，I’m poor in maths，you are not good at English，and…—That’s________we should help each other

George has put on weight recently. I think he’d better _______ too much.

Have you got ________online friend— Yes, she’s a girl from ________UK.

What food is mum cooking in the kitchen It ______ nice.

Anna, have you ______ seen China’s Got Talent (达人秀)— Of course. I ______ it last weekend.