--Do you think the math problem was difficult?--Yes. But I could ________ make it.
—Open the window please,Mike.—________?I didn’t hear what you said.
We all love Miss Wang.She always makes her English class very________.
—Yesterday I won the first prize in the singing competition.—________Congratulations!
—Did you have a good weekend?—________.We enjoyed ourselves in an amusement park.
—I seem to be lost.Could you tell me how I can get to the National Museum?—________.You can take the No.3 bus to get there.