It’s very dangerous ______ _ children to cross the busy street.
-Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet.
. Many Chinese students think science subjects are ______ foreign languages.
. We have two rooms ______, but I can’t decide ______.
. In the past few years there ______ great changes in my hometown.
. -He didn’t go to the lecture this morning, did he? -______. Though he was not feeling very well.