They can build more factories on this land, and __________ they have to build houses for people there.

With so many people ______ in the mine(矿), none of the rescue workers would stop to have a rest.

Look! Who is the man in the picture（图片）——I know. ______ Zhou Xingchi.

” is regarded by many people as a time in theirlife _____ fun, passion, and imagination seem limitless.

_______ useful information it is!