My friend Sandy often helps me my English.
— Your coat looks nice. Is it __________ cotton? — Yes. It’s __________ Shanghai.
Mary writes __________ than __________ boy in her class.
Mother seemed __________ after she heard the bad news.
— Things in your room are all over the floor. Be sure to__________before the guests__________. — No problem.
When he walked __________ my desk, he knocked my books __________ the floor.