The flowers ____ every day, or they'll die.
A: must wat
B: should water
C: can be watered
D: must be watered
A: must wat
B: should water
C: can be watered
D: must be watered
举一反三
- The flowers ( ) every day. A: must be water B: must be watered C: must watered D: must water
- The flowers （） often. A: must be water B: must be watered C: must watered
- The flower must()once a day A: watering B: be watered C: to water
- We must water the flowers every day in summer.
- The flowers he bought will die unless ____ everyday. A: watered B: watering C: eing watered D: to wate