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Give the correct form of the words
1. Tom only collects stamps from (discard) discarded envelopes
2. He is very good at (accompany) accompanying people singing with his guitar
3. (athletic) Athletes from several countries competed in many Asian Game
4. The Asian Game are held for the purpose of developing intercultural (know) knowledge
5. I am not an avid stamp (collect) collector
6. The number of (participate) participants taking part in the event is increasing
7. It is an occasion that (strong) strengths and sports skills are tested
8. Many people like football because it is a very (compete) competitive sport
9. She is the youngest (competition) competitor to take part in this talent contest
10. We took part in the game with great (enthusiasm) enthusiasm
Finish the following sentences using a preposition:
1. Renewable energy sources can be reformed naturally in a short period of time. They are not used .up.. when the energy is exploited.
2. Using coal as a major energy source is not a good idea. It's running .out..
3. Biogas system is introduced ..to. poor people because it supplies people ..with. electricity.
4. Garbage is burned .to.. produce steam ..for. making electricity or to provide heat ..to. industries and home.
5. The new crop of corn takes .up.. the carbon dioxide ..from. the air to reduce air pollution.
1- collect
2- introduction
3- ******* Is the question correct?
4- alternative