Millie. Welcome to our library. Which book would you like—I’d like books about animals. Can I ______ some, Mrs. Yang

In the last few years, China ___ great achievements in environmental protection.

Young adults ______ older ones are more likely toprefer sports and become enthusiastic sports fans.

In the experiment you should keep a watchful eye ______ the developments and record every detail.

_ a cold morning, I opened thewindow and was glad to find that It was snowing outside.