1. this cannot be achieved in a short period of time.2. the stadium tends to be crowded around 6 p.m.3. this area is unsafe now,. you'd better stay away from it.4. it is one of the top 5 supermarkets in that region in terms of sail.5. this room serves as living room as well as bedroom.6. manufacturing department monitors the progress of the program.7. the manager was busy with research work about selling activity last month.8. nowadays, many big companies use the internet to promote their products