—We must stop ________ plastic bags (塑料袋).—You’re right. It’s bad for our environment(环境).
—What did the teacher say? —The teacher told us at the Capital Museum on time.
—Is that Jack speaking? —No. He isn't in right now. He to the cinema.
Mobile phones are very common now and they arethan before.
—have you been like this? —For a week.
I don't do well in English, I still work hard on it.