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

— Be quiet, the head teacher Mr. Gu is coming.

— Don’t worry. It _____ be him. Mr. Gu is much fatter.

A．mustn’t          B．may not           C．needn’t         D．can’t

–Look! Someone is cutting a tree on the moon.

–It _______ be true, Granny. Our teacher says there is no air there.

A. can't        B. mustn't       C.may          D. should

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

1. A.
   mustn’t
2. B.
   may not
3. C.
   needn’t
4. D.
   can’t

Be quiet, please. Cur teacher has ________ to tell us.

1. A.
   anything important
2. B.
   something important
3. C.
   important nothing
4. D.
   nothing important