The number of children who have lost parents due to AIDS ______to rise to over 26 million in 2011.
He often helps the students __________ he thinks are notquick at their studies.
It's the third time __________ late this month.
Thenewly-built cafe, the walls of __________ are painted light green, is really a peaceful place for us, especially after hard work.
Antarctic __________ we know very little is covered withthick ice all the year round.
The train __________ she was travelling was late.