(2013·大纲卷)I got to the office earlier that day, the 7:30 train from Paddington.
We must keep our room clean. Dirt and disease go , you know.
-Could I use your bike, Jack? --Of course, you____________.
Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.
--____________? --He is tall and strong.
She suggested to the police in the police station that__________.