sky
- We can see the blue sky and the shining sun. There is no possibility _____ it will rain or snow today.
- Look at the sky! What is it?—Oh! _______UFO is landing on the ground.
- We can have_______ bluer sky if we create________ less polluted world．
- We can have ___ blue sky if we create ___ less polluted world.
- We can have ___ bluer sky if we create ___ less polluted world.
- Hurry up! The sky is covered with black clouds. I’m afraid it ______.