Is there _______ useful on science? I’m looking for information about this topic.
Bring your camera with you, you may want to takes some photos of the autumn trees.
You can’t imagine how much I ______ on this dress. Is it nice on me?
Ninety ____ teachers and students plant _____ trees every year.
---What are you reading, Tom? ---_____ book about _____moon..
-----Ann, would you like to drink tea or coffee? ----_________, I’m not thirsty at all.