---Who do you think is the man __________ first flew into space in China?  --- Yang Liwei is.

The first thing ______ we should do is to tell him the mews.

I'll tell you _______ he told me last week

I’ll never forget the days ______ we spent together in the country.

— Have you found the information             is about President Xi’s visit to Russia?— Not yet. I will surf the Internet.