After being ________, the particles of water unite and form clouds; then they fall down in the form of fog, rain, snow, or hail.
举一反三
- During the period of _____, rain fall is important to the growth of crops. A: Rain Water B: Grain Rain
- If the temperature is below 0℃, the water will turn into _____ in the open air. A: ice B: steam C: fog D: rain
- 1 Write down the past form of the verbs
- It's known to us all _______ a form of energy . A. water is B. that water is C. is water D. that water to
- The combining form alve- as in alveolarmeans_______. A: steam B: small bubble C: fog D: moisture