The white and black cat _____ a fat rat along the street.
问题描述：
The white and black cat _____ a fat rat along the street.
是用is after 还是is catching
谢=3=
答
答案是 is after.
如果用 catch,就必须是------The white and black cat HAS CAUGHT a fat rat IN the street.为什么是has caught呢你好again.has caught强调的是到说话为止的动作的完成，不强调完成的时间。只强调结果，你就用现在完成时。祝你愉快。啊，我好愉快啊