问两道英语题。

将这两句改为被动语态

1。Does Jim clean his room every day ? Yes, he does.

_____ Jim's room _____ by _____ every day ? Yes, it ______

2。Grandpa waters the flowers every morning.

The flowers _____ _____ _____ grandpa every morning.

Is cleaned Jim is

are watered by

一般现在时变被动语态，用am, is ,are 加过去分词

一般过去时变被动语态，用was, were加过去分词

Possible Keys：1.Is ,cleaned,himself,is 2.are,watered,by

Is cleaned himself is

are watered by

Is cleaned him is

are watered by