学制建立的基本依据是（）。
A.社会的生产力
B.科学技术的发展水平
C.社会的政治制度
D.受教育者的年龄特征
参考答案：A, B, C, D
—Can you_____ here?
—I think I can. [ ]
A. fill in the card
B. fill on the card
C. fill out the card
D. fill to the card
----_____I return the dictionary within three days?
----No, you_____. You_____ it for five days.
A．May; needn’t; can borrow
B．Can; mustn’t; would have
C．Must; don’t have to; can keep
D．Shall; can’t; should read
