What a nice classroom! —It_____ every day.

The twins almost look the same. We can hardly tell one from ______.

If our government ______ attention to controlling food safety now, our health ______ in danger.

The second Sunday of May is______ Mother’s Day. It’s______special day for children to show their love for their mothers.

A recent survey shows that the question ________ New Year’s Eve should be included in the three-day New Year’s holiday caused heated discussion among the Internet users.