用be trying to do sth 英语词组造句

用be trying to do sth 英语词组造句 用be afraid to do sth造句 用be able to do sth造句 用be used to do sth.造句 用be supposed to do sth造句 用be used to do sth 造句 用be early to do sth.造句 用Be.sorry.to.do.sth.造句. 用be used to do sth造句 用be ready to do sth.造句 英语造句 用下列词组造句,并翻译词组 1.offer to do sth 2.decide to do sth 3.ho excited造句用be excited to do sth造句!还有pack sth.with sth.....be