—It has been raining for nearly a week!—I don't care. No matter ______ the rain lasts, there will be a rainbow in the end.
--Is your father a teacher? ---well, he _______.
---Don’t play with fire. It’s dangerous. --- ____________.
He has ____________ friends in the school. He is unhappy.
You must remember that you ______________ feed the fish much.
It’s important __________ fire.