问题
选择题
_______ the house is empty, memories flood my mind of a time when it was filled with life.
A．Since
B．Unless
C．As if
D．Even though
答案
答案：D
考查连词：A. Since自从，B. Unless除非，C. As if 好像，D. Even though即使，句意是：即使房子是空的，我的脑海里充满的一段时光的记忆，那是生活很丰富。选D。