she - to finish her geography project this afternoon ,那个空是填HAS 还是MUST,为什么

问题描述:

she - to finish her geography project this afternoon ,那个空是填HAS 还是MUST,为什么

填has
must是情态动词,后面接动词原形
这里has to表示“不得不,得”

填has
has to = must = 必须...