—Do you love teaching,Miss He?
—I fell in love with teaching in 2000.I________for twelve years by this winter.
A:will teach
B:would have taught
C:have been teaching
D:will have been teaching
美洲的发达国家有( )
如图是按照一定规律画出的“树形图”,经观察可以发现:图A2比图A1多出2个“树枝”,图A3比图A多出4个“树枝”,图A4比图A3多出8个“树枝”,…,照此规律,图A6比图A2多出“树枝”( )
19世纪70年代有个日本人对来访的德国友人说:“我们的历史自今日始!”这句话的意思是这一时期的日本( )