This is clock. And clock is on desk.
Why not __________ your teacher for advice when you don’t know __________ the problems?
– How does your mother like your presents for Mother’s Day?– Well, __________ this sweater __________ that one is fit for her. They are too big.
– Who’s the most modest student in your class?– Nancy. She never __________ in public.
I still remember my first teacher __________ we haven’t seen each other for many years.
After discussing, the students __________ some good ideas to solve the problem.