问题
单项选择题
Drive straight ahead, and then you will see a ______ to the Shanghai-Nanjing Expressway.
A.sign
B.mark
C.signal
D.board
答案
参考答案:A
解析: sign指“告示,标语,牌示,牌子”,如:The sign by the road said "No Parking". 路边的牌子上写着“禁止停车”。