---Who is making much noise?---It ____ be Timmy. He is sleeping now.
---I’m sorry to trouble you, Sir?---__________. What can I do for you?
---Why does the boy bring a chair here?---Because the bookshelf(书架) is half a metre __________ his head. He has to stand on it to get the books on it.
---Is there a No. 2 bus stop near here?---Yes, there is. __________ at the second crossing, and you will find it.
---__________ is your home from the school?---Only ten minutes’ ride on a bike.
---Let me help you carry the box.---No, thanks. It’s big, __________ there is nothing in it.