How his sister spend her weekends? [ ]
A. does
B. do
C. is
答案：A
The mayor has offered a reward of $ 5000 to ______ who can capture the tiger alive or dead.
A．both
B．others
C．anyone
D．another
一般点火系的次级电压为（）V。
A．1000~1500；
B．10000~15000；
C．20000~30000；
D．1500~3000
