—What color ____ her shoes?—Black.A. am B. is C. are
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.