Ⅰ.语境填词
1．The park is only five minutes’ walk from __________ (市中心)．
2．They held a mysterious religious __________ (仪式)．
3．Rich has an __________ (优势) over you since he can speak German.
4．The police are advising motorists to reduce ______ (速度) because of the fog.
5．I bought this bag as a __________ (纪念品) of my visit to London.
6．Yesterday a train was off the __________ (轨道)．
