Question

Though it was late, __________ he went on with his work.

A．and

B．but

C．/

D．so

Answer 1

C

试题分析：句意：虽然很晚了，然是他继续他的工作。A和 B但是 D因此；though不能和but连用，所以这里什么也不填。故选C.