Every exercise in the book (design) ______ to build up your reasoning skills.is/

游客2023-09-25 53

问题 Every exercise in the book (design) ______ to build up your reasoning skills.

选项

答案 is/was designed

解析本题考查动词被动语态的用法。动词design和主语every exercise之间是被动关系，所以需要用动词的被动式be designed；又因为主语是单数，所以用is/was designed。

转载请注明原文地址:http://tihaiku.com/zcyy/3046126.html

相关试题推荐

随机试题

最新回复(0)

(Give)______moreinstructions,thestudentswouldhavedonetheexercisesmuch