You will be required to _________ Mrs．Smith in preparing a report．

You will be required to _________ Mrs．Smith in preparing a report．

A.assist

B.help

C.offer

D.afford

答案及解析： A

解析：

只有assist可构成assist sb．in doing sth．；

help常构成help sb．(to)do sth．; help sb．with sth．; offer提供；

afford(在时间或金钱方面)支付得起做某事。句意：你将要协助史密斯夫人准备一份报告。