We can never expect bluer sky unless we create less polluted world.
The police are looking for a missing boy who is believed ______ a white pullover and blue jeans.
To _____ good relationships with your teachers and classmates ,you should learn to share ups and downs with them.
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
What an amazing ______! I was thinking about my cousin Lily when she phone me.
----Of the two apples , which one do you prefer ? -----_____bigger one .It is _____most delicious one ,I think.