He bought some books in the bookstore and his father________ him a lot of money.

—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area. 

—How come everything tastes bitter?—Well, things ________ taste different to you when you are suffering a cold.

We should spend as much time as we _______ over our lessons.

---Dad, must we wait until the light becomes green?---Yes,I’m afraid we      .That’s the traffic rule.