Let's to school.[ ]
A. go
B. goes
C. going
答案：A
Although there are no classes in the afternoon now, no student ______ go out of school without the head teacher’s permission.
A．will
B．must
C．may
D．shall
具有祛风止痒功效的药物是
A．全蝎B．决明子C．补骨脂D．刺蒺藜E．沙苑子
