Question

_____ he was very tired, he continued working in his office.

A．Since

B．Although

C．As soon as

D．Because

Answer 1

B

解析試題分析：句意：盡管他非常累，他繼續在他的辦公室工作。A. Since 自從； B.Although 盡管；   C. As soon as 一......就......；D. Because因為。此處tired“累”與continued working“繼續工作”之間表示轉折關系，故用連詞Although。故選B。
考點：考查連詞的用法。