Students may use the exercise equipment., You should attend the orientation, You must fill out this form to use the computer room., He must be busy because he doesn’t answer my calls., This blue wallet can’t be Tom’s., He must have practiced it over and over., I should have arrived at school by eight, I must have left my text book at home., I should have studied harder., I shouldn't have drunk coffee before going to bed.,

助動詞並べ替え

بواسطة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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