train v..A.训练 B.开火车 C.提
—Tom, do you know if Sam ________to my party next week? —I think she will come if she________ free.
—Jim, who taught ________Chinese before you came to school? —Nobody. I learned it by _______.
—What do you think your life will be like________ twenty years? —Yeah.I have thought about it________ three years.
―I think it’s too late to say sorry to Kate. ―Never mind. _______.
----May we leave the classroom now? ----No, you . You to leave until the bell rings.