题干
He offered to _____ her a hand as the suitcase was too heavy for her to carry.
A：lend
B：hel
C：show
D：loa
答案(点此获取答案解析）
A
A：lend
B：hel
C：show
D：loa
位，每排有2
5个座号，一次报告会坐满了听众，会后留下座位号为18的所有听众30人进行座谈，这是运用了（ ）
满足
＝|