新义务教育法规定，实施义务教育，不收( )。
A．学费
B．杂费
C．书费
D．住宿费
参考答案：A,B
在郊外不能用来辨别方向的是 [ ]
A、
B、
C、
D、
It was not until he became very ill ______ he went to see a doctor.
A．what
B．that
C．when
D．then
