Several teachers and students are working together to find ______ they hope will be the easiest way to solve this problem.

Simon plays football every Monday and Thursday. He plays a week.

Can I help you, sir?—Yes, please. Do you have any books on cooking?—There are only a few, ____.

Traffic conditions in Beijing ________ for decadesAt first people only complained about jams during rush hours，but today every hour is rush hour

Excuse me, is there ________ book by Mo Yan?—Yes. It’s on _________ bookshelf over there.