小夹板固定扎带松紧度以可以上下移动多少厘米为合适().
A.2
B.1.5
C.1
D.0.5
E.3
参考答案:C
Many students don't want themselves to _______ doing _______ homework.
A.keep busy; too much
B.be kept busying; much too
C.be kept busy; too much
D.being kept busy; too much
劝说,诱导无效,立即报公安机关处理。