How can I save the water—It’s easy. First, make sure the tap ____________ after using.

Could you please tell Lucy that I want to talk to her —Sure, I will tell her as soon as she _______ back.

This is one of _____. Most of the students are _____ in it.

The underlined letters “ow” in the word _________ sounds different from the others.

I can’t wait __________ them.