Where is he?He must还是must be on that island.

问题描述:

Where is he?He must还是must be on that island.
选择题,是选 must 还是 must be.谢谢帮忙!

100% 选 must
He must be on that island.
【be】是be动词,这句话的谓语,是句子中必不可少的组成部分.
【must】是情态动词,用于表示句子的肯定程度,即使没有它,句子语法还是正确的.