_____ they are very tired, they feel happy because they’ve finally finished their project.
How many pieces can you _______ the cake _________?
Jim, ______11-year-old boy, wants to come to China to learn _____Chinese.
—I’m going to Hainan with my aunt next week. —________!
Do you go to school ______ bike or _____ foot?
—How long did it ________him to get to the hospital?