--------we have finished the book we shall start doing our homeworeA.Now thatB.Since thatC.For nowD.Since now选哪个为什么
问题描述：
--------we have finished the book we shall start doing our homewore
A.Now that
B.Since that
C.For now
D.Since now
选哪个为什么
答
A. Now that 现在/既然
答
A 解释为：“既然”。
答
A,既然
既然我们已经看过书了,我们可以开始作作业了