試題詳解

47. A: Are there many floors we have to walk up, or is there an elevator that we can take? B: __________________.
(A)We have to walk up to the street to take the bus.
(B)It’s an old building, so we will have to walk up at least 3.
(C)We can either take a taxi or subway to get there.
(D)I prefer to take a bus instead of walking.