现在进行时 be doing 的构成 — 英语填空题
题目
用所给动词的适当形式填空，使句子完整、正确。It is 7:00 on Saturday evening. Lily ___ (wash) the dishes in the kitchen. Her grandparents ___ (not watch) TV; they ___ (water) the flowers in the garden. Everyone in the busy family is doing something!