We went through a period _______ communications were very difficult in the rural area.
一I still cannot figure out why he missed his flight.一He an accident on the way to the airport.
Mr.Smith is a good teacher except that he some of his students by criticizing tbem whenever they make a mistake.
Modern technology has brought us so much convenience--we can now do many thingsThrough we call the Internet.
You can’t go out since you haven’t finished your homework; ,it is a stormy night.
The man, so badly,almost lost his memory and was even driven mad.