— Do you know that Yao Beina, a Chinese pop singer, _______ on 16 January?— Yes. We are sorry to hear that she died of cancer.
— Look at the boy playing basketball on the ground. Is it George?— It ________ be him. He told me he would play basketball after class, but he’s not sure.
–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
----Must I finish the work today, Mom?----No, you _______________. You can finish it tomorrow.
—May I take photos in the museum? —No, you . You obey the rules here.
—who is the man over there ? Is it Mr.Wang ? —No, it _____be him .Mr.Wang is much fatter.