-What's the matter with our English teacher? She always looks tired.-There are 75 students in our class. She work for more than 10 hours everyweekday.She can't get enough rest.
Which is of the two boys?
There were __________ animals in the forest many years ago.
Water is very important all living things. We must ______ every drop of water.
— What are you doing? — I’m life in the countryside.
I feel tired, but I don’t want to stop _______.