Question

--As for Mr Brown, do you know          ?
--Sure.  Canada.  But he has been teaching French for two years in Shanghai.
A. where he is working       B. where he comes from      C. where is his motherland

Answer 1

B

考查賓語從句的用法。賓語從句要使用陳述語序，先排除C；根據答語，他目前在上海工作，A項的顯然合題意，也就是說，他來自Canada。故選B。