【题目】We have covered half the distance so far. , we’ll reach our destination before dark.
A.Otherwise
B.Unfortunately
C.Hopefully
D.However

【答案】C
【解析】Otherwise意为“否则......”；Unfortunately意为“不幸地”；Hopefully意为“满怀希望地”；However意为“然而”句意：到目前为止，我们已经走了一半的路程。满怀希望地，我们会在天黑前到达目的地。故选C。