We live day by day, but in the great things, the time of days and weeks ____ so small that a day is unimportant.

—Would you like to climb mountains with me this Sunday?—I’d love to. But I_______ play table tennis between Class Three and our class.

---How ________ your brother? ---Fine.

The woman teacher together with her students_________going there_______.

According to the recent regulation, it is required that any chemical plant that_______ along the river _______ to build a recycling center for the waste.