【正文】
us?A. Do B. usually D. bus④ There will be a meeting at the library this afternoon.A. will be B. meeting C. the library D. afternoon⑤ Did the twins have porridge for their breakfast? B. twins C. have D. breakfast⑥ Tom didn39。① I don39。s homework without the teacher39。練一練:指出下例句中主語的中心詞。① The teacher with two of his students is walking into the classroom.② There is an old man ing here.③ The useful dictionary was given by my mother last year.④ To do today39。s help is very difficult.練一練:選