It’s important_____ a foreign language. —-I agree with you. We should study hard.

You will have an accident if you don’t ______, for the road is icy.

This is your pencil. ________ is over there, on the desk.

I am tired after the long work. I want to have a _______.

____________ he has known the good news. —- ______ is no wonder he is so excited.