单项选择题


A．By taxi.
B．By air.
C．By bus.
D．On foot.
<上一题 目录 下一题>
热门 试题

填空题
English secretary
单项选择题
If the population of’ the earth goes on increasing at its present rate, when will we use up all the oil that drives our cars
A．By the end of the twenty-second century.
B．By the end of the twenty-first century.
C．By the middle of the twenty-first century.
D．By the middle of file twenty-second century.
相关试题