-Excuse me, are you and Simon in Class 2, Grade 7? - _________. He’s my classmate.
Dave __________ really old in a brown jacket.
Andy has math __________ 9 o’clock __________ Monday morning.
This is a ______ store,so I don’t think you can buy a _______ bag here.
-- __________ ? -- It’s OK.I'm busy but I'm happy .
__________ father is a math teacher in a middle school.