The cause of the accident may never(discover)______ in spite of the effort of th

游客2023-09-21 54

问题 The cause of the accident may never(discover)______ in spite of the effort of the police.

选项

答案 be discovered

解析本题考查的是谓语动词的语态。cause与discover之间是被动的关系，因此要用被动语态。情态动词may之后要用动词原形，故应填入be discovered。

转载请注明原文地址:https://tihaiku.com/zcyy/3032944.html

相关试题推荐

随机试题

最新回复(0)

Fallinginloveforthefirsttimeislike(discover)______anewuniversefull