He __________ his sight ten years ago.Since then he has been blind.
Is there__________ Miss Smith in the house? Here is__________ package for her.
There is a lot__________ to discover in these places. Every week we find new things
We couldn’t believe the news,for it was__________ good.
Is__________ with these troubles in mind__________ the Royal Society called for the world’s governments to investigate geo-engineering as a “Plan B”?
Mobile phones and the internet have made__________ simple to contact a friend, relative or colleague wherever they are in the world A. that B. this C. them D it