---We're going for a picnic next Sunday, and I'd like you to join us.---____________!I have to see my grandmother. She has been ill for two weeks.
—I’m afraid I can’t finish the book within this week. —__________.
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
You have to keep on learning if you want to keep ______ with the development of modern science and technology.
The athlete fell off his bike when he _____ down the hill.
There is ______ is called Mr. Smith in our workshop.