--- May I use your mobile phone? --- _________ .
He __________ his sight ten years ago.Since then he has been blind.
They have held three meetings this week _________.
The faces of four famous American presidents on Mount Rushmore can be seen from a _________ of 60 miles.
Hospital staff burst into cheers after doctors completed a 20hour operation to have _________ one-year-old twins at the head.
The environmentalists said wild goats’ __________ on the vast grasslands was a good indication of the better environment.