:1.Wecanusewatertocleanour_____(tooth).2.Wesawalotof____(break)bottlesonthebeach.3.Helikes_____(watch)TV.4.Watercomes______(into/through)verylongpipesandgoes______(into/through)thereservoir.5.Raincomesfromtheclouds.(对划线部分theclouds提问)_______________