選擇題

I was writing a report last night;_______I would not have stayed up late.

A.however

B.otherwise

C.therefore

D.furthermore

正確答案：B

答案解析：本題考查副詞詞義辨析。句意：我昨天晚上寫一個報告，否則我就不會熬夜了。A 然而，不過;B 否則，要不然;C 因此，所以;D 再者，而且。