Question

-- _______ the soldiers are very tried, __ they keep on working.
--They are great. We must learn from them.

A．Because; /

B．Though; /

C．Because; so

D．Though; but

Answer 1

B

考查連詞。Because因為；Though雖然，盡管； so因此；but但是；句意：雖然這些士兵很累，但是他們堅持工作。though引導的讓步狀語從句，不能與but同時出現在一個句子中。故選B。