Our school has developed a learning system students can do a lot of teamwork.
—Where is that report?—I brought it to you _______ you were in Mr. Black’s office yesterday.
We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______success.
Shanghai ,_____on the Huangpu River, is the largest city of China.
I've always dreamt of buying a big house, and now my dream has ____true.
Some people complain that it usually ____so long to fill in the bank documents.