To their surprise, they found the lecture given by the famous professor easy ______.
In the time of social reform, people’s state of mind tends to keep with the rapid change of society.
When I saw mum nod _______ to me, I calmed down and went on with my acting.
—Good morning,Doctor Brown’s office.—Hello, this is Tom Smith. Could you please tell Doctor Brown I ? My car start.
—I found my mom not feeling well this morning. I’m afraid she is ill.—_________.
---You shouldn’t have taken pictures before the carved stones.---____ .