a lot后面加什么级

　　a lot常和of搭配，构成词组a lot of.

　　例句：

　　A lot of lost property is never claimed.

　　许多失物从未被认领。

　　She asked a lot of intelligent questions.

　　她问了许多机智的问题。

　　I listened to a lot of people handing out a lot of advice.

　　我听了许多人给予的很多忠告。

　　Do you have a lot of luggage?

　　你的行李多吗？

　　We did a lot of role-playing.

　　我们进行了多次角色扮演。

　　I've got a lot of commitments.

　　我有很多要做的事。