My father is not here, you’d better call him ________ 3 p.m.________ 5 p.m. tomorrow.
She is ready to help people ________.
The _________ joke often makes the children.
— _____________ does your cat weigh? — About 5 kilograms.
He is _________ of the three.
Miss Gu is _____ teacher. She teaches ____ Chinese.