5、uldappreciateyour________(call)backthisafternoon.答案与解析 calling appreciateone'sdoingsth.表示“感激某人做某事”。11.It'snecessarytobepreparedforajobinterview.________(have)theanswersreadywillbeofgreathelp.答案与解析 Having 句意:做好求职面试准备是必需的。准备好各种问题的答案能有很大的帮助。此处要用动词的ing形式作主语。12.Onelearnsalanguagebymakingmistakesa