Complete the sentences using the correct passive form of the verbs. After the water samples (analyse), the committee met to discuss the report and possible ways of fighting the pollution of the river. 2 Paper (make) from wood. 3 The disposal of nuclear waste (see) as a major problem in the next decade. 4 A bottle bank (place) near my house last month so now it's easier for me to recycle my glass bottles. 5 It (say) that World War III will be about water. 6 While the discussions (hold) in secret, the locals knew nothing about the government's plans to establish a landfill site near their town.

1. After the water samples were analysed, the committee met to discuss the report and possible ways of fighting the pollution of the river.

Explanation: The verb "analyse" is in the past tense, so we need to use the past tense form of the passive voice, which is "were analysed." The water samples were the object of the action, and the committee was the subject of the sentence.

2. Paper is made from wood.

Explanation: The verb "make" is in the present tense, so we need to use the present tense form of the passive voice, which is "is made." The focus of the sentence is on the action of making paper, and the subject is not specified.

3. The disposal of nuclear waste is seen as a major problem in the next decade.

Explanation: The verb "see" is in the present tense, so we need to use the present tense form of the passive voice, which is "is seen." The focus of the sentence is on the perception of nuclear waste disposal as a major problem, and the subject is not specified.

4. A bottle bank was placed near my house last month, so now it's easier for me to recycle my glass bottles.

Explanation: The verb "place" is in the past tense, so we need to use the past tense form of the passive voice, which is "was placed." The focus of the sentence is on the action of placing the bottle bank, and the subject is not specified.

5. It is said that World War III will be about water.

Explanation: The verb "say" is in the present tense, so we need to use the present tense form of the passive voice, which is "is said." The focus of the sentence is on the statement that World War III will be about water, and the subject is not specified.

6. While the discussions were being held in secret, the locals knew nothing about the government's plans to establish a landfill site near their town.

Explanation: The verb "hold" is in the past tense, so we need to use the past tense form of the passive voice, which is "were being held." The focus of the sentence is on the ongoing action of holding the discussions, and the subject is not specified.