—Look! The boy is just wearing a shirt in cold winter.—How poor! It’s said that his parents _____ since he was 3 years old. Maybe we should give him a hand.
There is ________ in the classroom, so we can see ________.
We should prevent the children ________ the bad programmes.
The Olympics ________ every four years. And the 29th Olympics ________ in Beijing in 2008.
I think ________ necessary ________ to take more exercise.
A football match ________ in our school next Monday.