1. 1.be exposed to / be lost in thought Tired by the trip, he soon fell asleep. Lost in thought, he almost ran into a car. 2. available: These dresses are not available in your size, I’m afraid. 3.delight: to one’s delight 令 … 高兴的是 1)be delighted---- I was delighted to be invited to her party. 2)delight in--- She delights in cooking lovely meals.

2. 4.remain: Several problems remain to be solved. After the fire nothing remained of the house. 5.expand: He is thinking of expanding his business. They have expanded my view on the question. 6.on special occasions: 在特殊的场合 on occasion / now and then / once in a while 有 时

3. 7. There lived an old man in the stone room. There stood a temple on the hill in the past. 8. 但 contain 可用于表示包含所含之物的的全部 或 部分. 也指里面所含有的成分. 而 include 则只能用于表示所包含之物中的一部分。 例如： The parcel included a dictionary. 那包裹 里也包括了一本字典。 The parcel contained a dictionary. 那包裹里装 的是一本字典。 Sea water contains salt.

4. 9.in memory of = in honour of 10.set: The play is set in 15th-century Italy. 11. pass through: 经历 ; 通过 He had passed through many difficulties during the experiments. 在试验时他经历了许多 困难。 13.be gone / missing / lost 不见了, 丢了. 14. thrill: The film thrilled all the audience. 12. It's strange that he should be absent. 真奇怪, 他竟会缺席。

5. What a thrilling story it is! 15.take pride in: She took great pride in the success of her three children. 她对自己三个孩子的成就感到万分自豪。