1. What attracts visitors most in Beijing is that there are many attractions,   like the Great Wall and the Summer Palace,   according to the expert. They are so attractive as to attract eyes from every corner of the world. (attract)

2. It will be very convenient for people here to buy what they need. There is a convenience store under construction near my home.  (convenient)

3. It is roughly estimated that the rough storm has caused 20 victims to be injured. (rough)

4. It is announced that the museum has collected more than 20,  000 treasures and art collections.  So it attracts a lot of visitors around the world. (collect)