It's nice and Lily_______(read) a nespaper by the window.

问题描述:

It's nice and Lily_______(read) a nespaper by the window.
说明原因

is readingwhy天气不错,莉莉正靠窗读报。天气不可能时时都不错的,所以应该用正在进行时,表示正在发生的事。用BE 动词加V-ING.