I can tell him ___________ because he has a big mouth. He can never keep a secret!
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.