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I. There are mistakes in some of these sentences. If the sentence is correct, put a tick (ü). If the sentence is wrong, correct the mistakes.
1. Peter did a few research on gases. .................................
2. He did some experiments. .................................
3. How much experiments did John do? .................................
4. Dave did lots of research too. .................................
5. Sue didn’t do many research. .................................
6. Anne did a few experiments. .................................
7. I didn’t do no experiments because I was away. .................................
1. Peter did a few research on gases. .................................
2. He did some experiments. .................................
3. How much experiments did John do? .................................
4. Dave did lots of research too. .................................
5. Sue didn’t do many research. .................................
6. Anne did a few experiments. .................................
7. I didn’t do no experiments because I was away. .................................