1. Complete the following sentences using the proper form of the verb given in brackets.

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1. Complete the following sentences using the proper form of the verb given in brackets.

1. Last year he (to deal with) quantitative analysis.

2. Many new goods (to be produced) at the plant last year.

3. Next year he (to graduate) from the Institute.

4. This problem (to be discussed) by many scientists now.

5. They (to study) organic processes.

2. Change the sentences into the Passive Voice.

1. The scientist will analyze all the data soon.

2. They asked him to investigate that method.

3. They showed us a new laboratory of organic chemistry.

4. I told him the news at once.

5. We use this reaction for the laboratory preparation of chlorine.

3. Put all types of the questions (general, alternative, special (to the subject and to any other part of the sentence) and tag) to the following sentence.

Russian scientists have discovered how to synthesize diamonds.

4. Complete the following sentences using modal verbs and their equivalents (Note that MORE than one modal verb or its equivalent is possible).

1. In the near future people … to obtain complex organic compounds they need.

2. The soil … to be fertilized with all necessary chemical elements.

3. The word “element” … mean atoms of one species.

4. The temperature of the solution … be controlled within half a degree or so.

5. You … heat the mixture to make reaction go.

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