精选优质文档-倾情为你奉上单项选择50题1.I will never forget the day _ I came to my university and the day _ I spent in a new city. A. when; which B. which; when C. what; that D. on which; when2. Although he was in poor health, Robert succeeded _ other more famous engineers failed. A. which B. that C. what D. where3. The meeting was expected to start at 9 oclock but the manager didnt turn up _ twenty minutes later.A. before
