1. was caught【解析】根据because of his drunk driving(因为他酒后驾车)意思,动词选catch(抓住),主语Billy与catch是被动关系。这个句子是陈述过去的事,用一般过去时的被动语态。Billy是第三人称单数,助动词用was,catch是不规则动词,过去分词是caught。
2. were set up【解析】new schools作主语,动词应选set up(建立)。schools和set up是被动关系,句中有过去时间 last year,用一般过去时的被动语态。schools是复数名词,助动词用were,set是不规则动词,其过去分词和原形相同。
3. was asked【解析】根据后句he just kept silent(他只是保持沉默)推测,动词应选ask。主语Tim与动词ask是被动关系。根据句中的时态,用一般过去时的被动语态。Tim是第三人称单数,助动词用was,ask是规则动词,过去分词是asked。
4. was interviewed【解析】句中有by the reporter短语,动词用被动语态。根据句意,选动词interview。主语是I,be动词用was,interview的过去分词是在其后加-ed。
5. were told【解析】根据题干提供的信息,应该是“有人告诉他们”,即“他们(they)被告诉(tell)”。动词用被动语态。they作主语,be动词用were,tell是不规则动词,过去分词是told。