---- Look! The man standing at the gate ______ be our headmaster.---- No, it _______ be him.He is holding a meeting in the office now.
If our government attention to controlling food safety now, our health in danger.
The volunteers sent books to a mountain village school on Children’s Day.
Our English teacher is very nice. We friends since three years ago.
—Are you sure you can do well in the final exam? —_____________, I’ve got everything ready.
It was lovely weather we decided to spend the day on the beach.