You waste much time pig flu.on the internet..A.to knowB.knowingC.knowD.to be kno
来源:网络
时间:
推荐文章

You waste much time______pig flu.on the internet..
A.to know
B.knowing
C.know
D.to be known
试题答案
B
B考查waste的固定用法。Waste----doing sth 浪费---做某事。