1 . The population of our province is now __________(approach) 74 million. (所给词的适当形式填空)

2 . Because of climate change, the ice that polar bears depend on for survival ____ (disappear) slowly. (所给词的适当形式填空)

3 . The remarkable development of this city, which is consciously designed to protect the past while _______ (step) into the modern world, means there is always something new to discover here, and I could be photographing Beijing for the next 50 years. (所给词的适当形式填空)

4 . In the future, care for the environment will become very important as earth’s natural resources are ________. (用run的相关短语填空)

5 . The workers ________(construct) the bridge damaged by the flood, and the bridge ________ construction connects the road with the town. (所给词的适当形式填空)

6 . Professor Smith, as well as his assistants ________ (do) an experiment in the lab now.

7 . The world’s tropical forests are ___________ (appear) at an even faster rate than experts have ever thought. (所给词的适当形式填空)

8 . Is something _________(bother) you? (所给词的适当形式填空)

9 . The paints for the art class _____(run out).We must act immediately before there’s none left. (所给词的适当形式填空)

10 . I don’t understand why you are always _____(argue) with your parents. (用所给词的适当形式填空)