根据所给句意和音标,选出一个最佳答案.
You need to keep /′sailənt/when you are in the library.( )
A.sillyB.smileC.smartD.silent
---May I do the rest of the work tomorrow? ---Yes, of course. You finish it today.
---May we go home mow ? --- No, you____. You____ to go home until 5 o’clock.
Tom ______ come with us together, but he is not very sure yet.
—Whose magazine is this? —It Ben’s. It has his name on it.
— Remember: you _______ keep it secret and leave it closed. — No problem.