end of the sports meeting,it was announced that class 7 the relay race.

In no country____Britain, it has been said? can one experience four seasons in the course of a single day．

Why don’t we choose that road to save time—The bridge to it _____________.

Tom says he is too tired to go on.—He can’t be.He ____for an hour.

Children who are over-protected by their parents maybecome ________.