Mobike’s orange-wheeled bicycles have appeared on streets across China and in Singapore. Mobike plans to roll out in Manchester and Salford this month, (compound sentence)

He worked as an engineer in a small company with a low salary. He was quite satisfied with his job. (complex sentence)

A little boy walked into the shop. He asked for a loaf of white bread, (simple sentence)

I haven’t read the book. I cannot tell you anything about it (compound sentence)

I was in school thirty years ago. We didn't have computers. Now they are available almost everywhere on campus, (compound-complex sentence)

Sales people tend to perform better in dealing with their angry customers who are emotionally skilled.

Shopping online offers more convenience and choices than to shop in stores.

First established in 1998, many well-known experts have been attracted to work in this research center.

Many students lost marks in the exam. Because they did not read the questions carefully.

My grandfather has a painting by Picasso, it must be worth a lot of money.