-- Could you tell me something about the boy who helped you just now? -- Sorry, I know nothing about him. We are______.
--- How tall the boy is! --- Yes, he is taller than __________ in his class.
When he walks _______ my desk, he often knocks my books _______ the floor.
When something _______you, I will always help you, so don’t _______it.
What honest boy! And he is best student of all.
----- Who's that man? ----- ___________.