The second Sunday of May is _______ Mother’s Day, it’s _______ special day for children to show their love to their dear mums.

Is the shirt made _________cotton?–Yes. It’s made ________ China.[ ]

I won’t go to the concert this evening. I ______ watch the NBA on TV. It’s more exciting.

Don’t forget _____ the door when you leave.

Now the air in our hometown is ___________ than it was before. Something must be done.