quite a few后面加什么名词

　　I have quite a few students though.

　　不过我有不少学生。

　　There are quite a few hostels for backpackers there.

　　那里有不少供背包客住宿的'招待所。

　　They had visited quite a few cities and towns in China by the end of last week.

　　直到上周末，他们已经访问了很多中国大大小小的城市。

　　I've been there quite a few times.

　　我去过那里好多次了。

　　Quite a few people were milling around, but nothing was happening.

　　好些人在转来转去，但什么都没发生。