【单选设置】
单选题共20小题，每小题0.5分。
【试题分析】
2015年英语单选题仍是20题，但是与往年不同的是，单选题今年考词汇偏多，整体有点难度。所以小编提醒大家复习的过程中要注意单词的背记，不仅仅是要记住单词的拼写，还要注意的是一些单词的特定用法，一般单词的用法比较固定，建议大家多做些类似的习题进行巩固。
【模拟练习】
1. I’ll____ him off this time but next time he’ll be punished.
A. leave B. let C. put D. set
2. This was no easy question at all. We were completely ____ an answer.
A. lost in B. in a loss to C. at a loss for D. at a loss in
3. —— Where shall we meet on Thursday next week?
—— Well, I ___________ come to your office if you like
A. could B. might C. would D. are to
4. —— I’m told that John had another car accident this morning.
—— I believe not . He _________ so careless.
A. shouldn’t have been B. wouldn’t have been
C. mustn’t have been D. couldn’t have been
5. —— I’m afraid you are doing it in a wrong way. It _________ this way. —— Thank you for reminding me.
A. is done B. is used to being done C. used to be done D. was to be done
【答案详解】
1. B。let off 饶恕。 Set off 出发、动身; leave off 停止、不再穿；put off 推迟。
2. C。 at a loss 困惑，不知所措 例如：I am at a loss to understand those remarks. 我不理解那些话
3. A。这句话表示一种非真实的假设,叫作"虚拟语气",虽然与表示现在或将来的状语连用,但是句子谓语动词多用could, would等过去式形式的情态动词.如:I could come tomorrow if you like.如果你愿意,明天我可以来. I could come tomorrow if you like. 如果你愿意，明天我可以来。
4. D。她本来不可能这么粗心。Could have done 表示对过去情况的推测.
5. C. It used to be done this way. 以前是这样做的。
