--Mr. Li will check our homework this afternoon. ______ you _______ it?--Not yet. I'm doing it right now.
You can’t understand the meaning ________you read the text.
Danny,______ more careful or you will fall down.
____interesting experiment it is!
This book ___ be yours. Look! Here is your name.
Whose book is this? It’s not___ book,____ is over there