Betty is often seen ( )the old man with his housework...A.help B._英语解答

Betty is often seen ( )the old man with his housework...
A.help B.to help C.helped D.helps 选哪个
说明原因

人气：145 ℃　时间：2019-08-18 14:20:30

解答

B
sb be seen do sth.表示经常被看到做某事,这里有often,所以用help 句子的意思是 Betty经常被看到帮助那位老人做家务.
如果是被看到正在做某事,就要用sb be seen doing sth.