Be quiet, the head teacher Mr. Gu is coming.— Don’t worry. It _____ be him. Mr. Gu is much fatter.

___________ are your shoes? —Forty dollars.[ ]

When the teacher ______ how to do the experiment, the bell rang.

Mooncakes, _____ the moon, are round. [ ]

Excuse me, could you please tell me if the sports meeting ________ on time?—Hard to say. If it ________ tomorrow, we’ll have to put it off.