Not only the students but also the teacher interested in this activity.A.am B.is C.are
—Is that ______ volleyball?—Yes. Bill likes playing ______ volleyball. ______ volleyball is his.
—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______。