神马品牌网台湾税收给中国吗:几道英语题
来源：百度文库 编辑：神马品牌网 时间：2024/05/01 15:10:41
“you look tired, mary”“yes,i am.i____(sit)in class since 8o'clock this morning.i____(have) 4 classes already.”
the boy ___(wait)for the girl many times.
the boy ___(wait)for the girl many times.
have been sitting , have had,
have waited
sat.have had
has waited
have sat, had, have waited.