—What do you think of the color of my bedroom?—Sorry, but what did you say? I ________ about something else.
—Can you ______ my English tapes to me, Mom? —OK!
—Is that your father?—No. It’s my uncle, my mother’s _____.
We have four classes ______ the morning.
含有相同音素的一组字母是______。
We should save water because people can use water to make _____. A. energy B. sound C. rain