我们虽是同班同学,但______并不熟悉。
A.各自
B.彼此
C.对方
D.每个
参考答案:B
计算(-0.25)2011×(-4)2012=______.
—What ________ an important part in their lives?
—Friends.
A.plays
B.takes
C.makes
D.Acts