— So many problems! I’m too tired. — You should try to _____________ them by yourself. You’re not a child any longer.
--- Look at these stamps. I _______ them for five years. --- Wow, they are beautiful.
My mom always thinks that my hobbies _________ of my study.
Our teacher says that the classroom must __________ every day.
--- Look at the boy running on the ground. Is it Frank? --- It ________ be him. I saw him go to the library just now.
Yesterday Li Ming went to the village ________ he visited five years ago.