He passed ________ a university course in China.
-The flight to London was because of the heavy snow.
-Little Tom home for three days. His parents are very worried.
- In our school library, there____ a number of books on science and the number of them ______ growing larger and larger.
- You eat the soup if you don’t like it.
--- What is our head teacher like, do you know? --Oh, he is very kind, ________ he looks very serious.