These flowers must_____once a day.()
A: watering
B: be watered
C: water
D: to water
A: watering
B: be watered
C: water
D: to water
举一反三
- The flower must()once a day A: watering B: be watered C: to water
- The flowers ( ) every day. A: must be water B: must be watered C: must watered D: must water
- The flowers require , or they will wither soon. A: watering B: water C: to water D: watered
- The flowers ____ every day, or they'll die. A: must wat B: should water C: can be watered D: must be watered
- The flowers （） often. A: must be water B: must be watered C: must watered