-- Mike spends a lot of his spare time on computer games.--- So does my son. The children have become hopelessly ________the games.
According to a recent survey, the ________ age of students of Senior Two is seventeen.
One of the ________ of our planet’s warming up is an increase in the number of natural disasters.
We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______ success.
Don’t worry if you don’t understand everything, the teacher will ______ the main points at the end.
You and I could hardly work together, ?