The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.

The university estimates that living expenses for international students ________ around $8,450 a year, which ________ a burden for some of them.

The brown trousers _______ 70 dollars. And that white pair of trousers _______ 80 dollars.

His grandparents ________ at home on weekends.

—Mum, look! My trousers _____ short. Can you buy me a new _____?—OK.