_______ in the storybook that he had bought not long before, the boy didn’t notice his mother go into his room.
—So you missed the lecture given by the famous professor. —____________. I got there 10 minutes before it finished.
—Jack, could I use your laptop for a while? —___________. Go ahead, please.
I paid a fine of 200yuan for speeding. If only I _________ the traffic rules!
—I did not give offence to you ___________. —Forget it. Let’s make up.
I think he is taking an active part in social work. I agree with you ___________.