Exercise
词汇巩固
1. There are two candle holders(支持物)on the desk.
2. You can only swim in the shallow(浅的)water.It's dangerous to swim in the deep water.
3. He can't find his cigarette lighter (打火机).
4.Children shouldn't play with the matches(火柴).5. Her hat matches(相称，匹配) her T-shirt well.
6.This patient is terribly ill.You should examine(检查)him at once, Dr. Smith.
7.If there isn't enough oxygen(氧气) in the air, you willfeel uncomfortable.