Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.
Fire,on the one hand,can benefit the world. On the other hand,it can also destroy the world if not________under control.
His room was neat,________with the simplest essentials,a bed,a chair and a table.
The funny story________a loud laughter in the classroom.
The boy knocked down by the car stood up all by himself,________unhurt.
If he________that he________to work there,everything would be OK now.