—Our teachers and parents always warn us not to smoke.—Yes, actually, the risk of heart disease is a powerful argument ____ smoking.
No matter where he is, he makes ________ a rule to go out for a walk before breakfast.
One of the characteristics that make me different from many people is my adaptability—I'm________ and comfortable in new or unusual situations.
Henry would rather his mother________ in the school where he is studying.
—I find it astonishing that your deskmate ________ be so rude to you. —Not astonishing at all. She is always rude to anyone else.
-It's getting dark. I must be off now. -OK, please take care and ________ my best wishes to your family.