he saw on certain stones marks句中on是什么词?

He was absent on Monday .这里的absent 是什么词性. 我总感觉是动词

He plays dodge on Firday. 这个英语句子对吗?

turn on中的on是什么词

he wrote on frequent occasions.如何翻译?on occasion=有时,偶尔,修饰短语是加在中间吗?

He spoke in a apologetic voice这个句子怎么分析啊?

在 He walked around stiffly carrying a walking stick 这个句子中carry为什么要用现在分词

划出句子中的错误,把正确答案写在括号里: He helped the old man crossed the street just now( )

He was in complete agree with the suggestion.句中IN是哪个词组的?

he - ------- - (play)football on saturdays.用所给词正确形式填空

be absent on monday.为什么用介词词on