Mr. Wang has two sons. of them are primary school students.
I don’t want to go to the museum, it’s too_______.
— Where did they go ________ vacation? —They went to Shanghai.
— Did your mother come back late yesterday?—No, she _______. She never _______ back late.
He decided _______ a letter to his uncle In New York City.
Please ______in bed. It’s bad for your eyes.