--- Must I stay here with you?--- No, you ________. You may go home, but you ________go to the net bar.
Could I have ________ apples? Sorry, we don’t have ________ apples.
---Can you tell me something about metal ? ---Metal making machines and many other things .
--- Do you mind telling me how to use the function? --- , It is very easy.
You earn a point _______ you answer a question correctly. Which is WRONG?
--My father ___________ a letter yesterday, but I’m not sure if he has finished it. ---Why not ask him about it ?