Lily喜欢阅读，她读了许多书和杂志（翻译成英语）

Lily likes reading and she has read a lot of books and magazines.

Lily likes reading,she reads a lot books and magazines.

1L的答案有误。a lot后面不能直接跟名词，须加上of。
4L的答案也不妥，宜将逗号换为分号或句点。
2L和3L的答案都是正解。

Lily likes reading and she reads a lot of books and magazines.

Lily likes reading,she has read many books and magazines.