What do you think of the lecture of Li Yang’s Crazy English—I think it’s________，but someone thinks it’s much too________．

Since the baby milk powder was found to be polluted, there has been universal doubt _____ other food products are safe _____.

Do you know the Winter Olympic Games— In 2022.

Our teacher often tells us only by working hard every day_____ a better university at last.[ ]

People are recycling many things which they away in the past.