(含解析)
1.
【17天津】She asked me _______ I had returned the books to the library, and I admitted that I hadn’t.
A. when B. where C. whether D. What
【答案】C
【解析】本题考查的是宾语从句中连词的选择，根据题意“我承认没有还书”，说明说话者关心的是对方是否已经还了书，故选C项。
2.【17天津】 It was when I got back to my apartment ______ I first came across my new neighbors.
A. who B. where C. which D. that
【答案】D
【解析】本题考查强调结构 it was... that,被强调的部分是when I got back to my apartment，故选D项。