----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.
I’m 1.70 metres. Yao Ming is 2.27 metres. I am ______ Yao Ming.
— Look! Jim ________ basketball over there. — Let’s go and play with him.
Mo Yan is one of the ______ writers in China.
When the teacher came in , the students _______ about the film.
─ Could you give me some _______? ─ Why don’t you join an English club and do more practice?