My scarf made of silk feels _______ and _______. Ms. Cao also wants to buy one like mine.

Please send ________ best wishes to Mary.

Did you spend 20 dollars ________ this computer game?

What happened _______ you? You don’t look fine.—I have a cold.[ ]

Can you solve the problem? —Sorry, I can’t. Why ___ ask the teacher ___ help?[ ]