你定个时间来帮我准备晚餐.能否来回答 几句英文就行了没问题，我最擅长有发挥第一句，how about 7 oclock第二句 what？are you kidding me ? I do not know anything about cooking第三句 sorry,I have another appointment tonight , I will try my best next time 够了吗？？哈哈哈哈