Question

【题目】The windows and doors come from old buildings around her town that _______.
A.pull down
B.were pulled down
C.pulled down
D.was pulled down

Answer 1

【答案】B
【解析】题意：门和窗都是从城里被拆的老房子那里收集过来的。本句是定语从句先行词是buildings，是复数，同时又做定语从句的主语。从句又是被动语态。根据句意，故选B。