open（现在分词） _________

run（现在分词） _________

house（复数） _______

用 be 动词的适当形式填空：

There are some children under the tree. Some ______ playing games. Others are reading the books.

----______ Tom and Jim playing basketball?

----Yes, they are.

Listen! She ______ (cry) in the next room.

The students ______ some cleaning （扫除）now with their teachers.

根据句意填单词

________ you put these books in the box, please?

根据句意填单词

I want to take the books ________ the classroom .

根据句意填单词

These charis are very old . They want some new ________ .