—Excuse me. _______ I sit here?
—You’d better not. It’s the man’s seat.
Must
Need
Could
Should
This is ______ ruler and that’s ______ eraser.
—_______ can I keep the books? —Two weeks.
I think _______ necessary for you _______ breakfast.
—There _______ a football match this evening. —Exciting news.
I have some problems with my health. Can you give me some _______?