1. _____________ does the _____________ come from?  It _____________ the clouds.
2. Where does the _____________ come from?  It comes from the _____________.
3. Where _____________ the vapour _____________?
    It comes from the _____________ in the _____________.
4. _____________ can the water become _____________? 
    The _____________ and the _____________ becomes vapour.
5. Can you _____________ me _____________ to the sky again?
6. I am _____________.

1. s__ __d
2. s__ __l
3. spr__ __t
4. pl__nt
5. sh__ __ld
6. th__n

       
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Teacher: _____________ are you going to do this afternoon?
Zhang: I'm going to plant _____________ in our garden.
Teacher: How do you do that?
Zhang: It's easy. _____________, put the seeds in the _____________.
Teacher: What should you do then?
Zhang: _____________ them. In several days, you can see the sprout.

       
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Amy: What are you doing, Dad?
Dad: I'm putting ____________ ____________ in the pot.
Amy: ____________ do you do that? Can you teach me?
Dad: OK! First, you should put the seeds in the ____________.
Amy: What should I do then?
Dad: You should ____________ them. You can see the ____________ in several days.
Amy: Oh, it's amazing. Thank you, Dad. Let's do it together.

         
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