今天小编为大家分享的是专升本英语4个选择题，这4个选择题都有其答案解析，赶快来练习一下这些题吧。希望通过这篇文章的学习对你们有所帮助，下面跟随小编一起学习吧。
　　1. It was raining,_________was a pity.
　　A. what B. which C. that D. it
　　2.Hardly had we reached home_________it began to rain.
　　A. before B. than C. as soon as D. when
　　3.I wish I_________at my sister’s wedding last Tuesday, but I was on a business trip in New York then.
　　A. will be B. would be C. have been D. had been
　　4. It might have saved me some trouble_________the schedule.
　　A. did I know B. have I known C. do I know D. had I known
　　1，【答案】B。解析：先行词为前一主句构成整句先行词现象，可以理解为这种情况this situation，放入为This situation was a pity，先行词在从句中作主语，先行词指事，非人即物。故选B。
　　2，【答案】D。解析：本题考查时间状语从句。Hardly...when...是固定用法，表示“一……就……”。故选D。
　　3，【答案】D。上个周二我本希望参加我姐姐的婚礼，但那时我在纽约出差。本题考查wish引导的宾语从句，表示与过去事实相反的愿望，从句用had 过去分词。故选D。
　　4，【答案】D。解析：句意：如果我早知道日程安排，可能会省去我一些麻烦。根据题干中might have saved可知主句是对过去的虚拟，从句应用if I had known与主句保持一致。if虚拟条件句中含有had时，可将if省去，同时将had提前构成倒装结构。故选D项。