I have math ____ Friday. It’s difficult for me.

What good boys they are! They listen to the report carefully ______.

Have you returned the book to the library _______ —Yes, I have _______ retuned it.

It shouldn’t take long to clear up after the get-together if we all volunteer to help.—I agree. ________.

We had no time _______, but we had a great time _______ the model plane together.