1 . Our environment is suffering due to the ________ (explode) of population. (所给词的适当形式填空)

2 . He was thrown backwards by the force of the _____ (explode). （所给词的适当形式填空）

3 . The performance turned out to be a great success, which received an __________ ( explode)of applause. (所给词的适当形式填空)

4 . The oil truck caught fire and set off a lot of _____ (explode). (所给词的适当形式填空)

5 . There were two loud   _______(explode) and then the building burst into flames. (所给词的适当形式填空)

6 . There was a terrible ________(explode) at the chemical plant.（所给词的适当形式填空）

7 . Then there was an ________ (explode) of bright colours and lively music, and the group jumped into action. (所给词的适当形式填空)

8 . The investigators said that a fuel ________(explode) might have caused the plane crash. （所给词的适当形式填空）

9 . There was an ______________(explode) of bright colors and lively music. (所给词的适当形式填空)

10 . The first wave of internet firms gave us an ________(explode) of information. (所给词的适当形式填空)