— Excuse me, whose French book is this? —It be Tom’s. In our class, only he is studying French.A. must B. can’t C. May
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.
For your health, you should eat_____vegetables and_____meat.
_____students went there.