The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
his homework, he went out to meet his friends.
They were about to leave it began to rain.
Mr.Smith, of the speed,started to read a novel.
It`s already 10 o`clock. I wonder how it that she was two hours late on such a short trip.
I find important to have some communicative skills.