1.A 根据时态和单数形式首先排除BC,某某上说...用say
2.不一样 different 一次 once 地铁subway、disposable 忘记 forget 快速quickly
3. D send away 开除 解雇 send up射出 发出 send off 寄出 解雇 send for派人去叫 符合题意
4. B what to do 和how to do都可以,但C少了一个to what to do 是固定的表达了,应该烂熟于心
5. C put up 是提供 建造的意思 put down是记下 放下,这句话是说这不是你的茶,请放下来,因为是不可数所以选C
6.D happen是不及物动词,不能用被动形式,而发生在过去故D
7. 1. Do you find her very clever?
2. Jim asked Tom how long he would be away.
3.Use your head, and you'll find a way.
4.Lucy asked Jim whether he enjoyed surfing or diving.