After discussing, the students ________ some good ideas to work on the project. — That’s great!

Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.

Who’s the man over there? Is it Mr. Black?— It _________ be him. He’s much taller.

Thewalkersneedalotofwater______thewalk. [ ]

Do you know if Kitty ______ shopping this afternoon?— I’m not sure. But if she , I will let you know.