在版面中可以使用具象形态的实线、虚线,也可以利用()的排列形成实线,行距、栏间距留出的空白可以形成视觉上的虚线。
A.图形
B.文字
C.曲线
D.线形
参考答案:B
But for the sun to give us light and heat, nothing _______ on the earth. [ ]
A. would live
B. will live
C. lived
D. would have lived
Do you come to school by yourself ______ with a friend?
A.and
B.or
C.but
D.yet