作业帮You must____here.【选项请看补充说明】You must___here.A stay B staysC staying D to stay
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You must____here.【选项请看补充说明】You must___here.A stay B staysC staying D to stay
You must____here.【选项请看补充说明】
You must___here.
A stay B stays
C staying D to stay
You must____here.【选项请看补充说明】You must___here.A stay B staysC staying D to stay
A.
情态动词后加动词原形
a. must 后要加动词原形
a
must 后面接动词原形
A 因为MUST后面要接动词原形……