A big party was held in NO.18 Middle School last night, the teacher with students _____ singing and dancing happily at the party.
Tom Mary speaks good Chinese. So they can talk with these Chinese students very well.
I will put some photo on my home page _____everyone _______.
Yesterday I saw _____ enjoy ____ in the park.
_______ useful book the teacher brings us!
_______you do your homework, _______mistakes you will make.