Most students like dinosaurs, but ______ of them know the story of dinosaurs.
-Tom’s father is tall. - _____.
-What’s _____matter with you? -I have _____ toothache.
To our _____,the boy made no mistakes in the exam this time.
-_____ you _____ your drawing? -Not yet. It will be done in a few minutes.
The teacher told us the earth ________ around the sun.