The number of children who have lost parents to AIDS ___ to rise to over 26 million in 2011.

The old should _____ well.

—Your city is so beautiful. It's like a big garden.
—Yes. Many trees and flowers _______ every year.
A. are planting        B. are planted             C. have planted

--Have you seen the movie Qian Xuesen ?
--Yes , I am deeply _____by the old great scientist.

Tony often makes his sister _______, but this time he was made ______by his sister.

Everyone of us _____ it’s important _____a seat belt in the car.

Old people must __________.

---It’s difficult for the villagers to cross the river.
---I think a bridge______ over the river.

— John, you       go out to play until your homework       .  
—OK, Mum.

Lucy with her mother often ______ the zoo on Sundays.