The number of the volunteers 100 now. And a small number of them already gone to the workplace.
He hasegg andhamburger.
Not everyone knows_____they want to be.
Science is _____ difficult for some students ____ learn, so many of them don’t like it.
---What are you doing? ---I’m_____my English book. But I can’t find it
For your health, you should eat_____vegetables and_____meat.