题目内容
【题目】_________ he was very tired, he continued working in his office.
A.Since
B.Although
C.As soon as
D.Because
【答案】B
【解析】since“自……以来”;although“虽然”;as soon as“一……就……”;because“因为”。根据句意“虽然他很累,但他继续在办公室工作”可知B项符合题意。故选B。
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