单项选择题

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

填空题
frees its users from this time constraint; sender and recipient(s) may be involved
单项选择题
A．Dentist.B．Physician.C．Physicist.D．Surgeon.
A．Dentist.
B．Physician.
C．Physicist.
D．Surgeon.
相关试题