—Has David finished his project yet?—I guess not. He on it at lunchtime. Do you want me to confirm it?
We have been friends for nearly twenty years. Nothing can break off our _______.
In our city, ________ college students want to work as a teacher in holidays.
I don’t like eating chocolate. The taste is too ________.
-- Look at the boy running on the ground. Is it David? -- It _______ be him. I saw him go to the teacher’s office just now.
They’ve got two machines, but ________ works well.