1) Athletics was | were my favourite activity at school. RULE#2 
                           2) Pliers  are | is a common hand tool with opposing jaws for cutting, bending and gripping. RULE#3 
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 3) My family  has | have owned this mansion for a long time. RULE#5 
                           4) Physics  have | has never been my favourite subject. RULE#2 
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 5) The stairs leads | lead to the top of the Eiffel Tower. RULE#1 
                           6) The police  is | are investigating the crime. RULE#4 
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 7) Measles  are | is an infectious disease. RULE#2 
                           8) The supplier may furnish the declaration at any time, even after the goods  have | has been delivered. RULE#1 
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 9) Where  is | are my running shorts? RULE#3 
                           10) The staff  is | are annoyed about the changes. RULE#4  
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 11) The government  has | have been slow to react to the crisis. RULE#5 
                           12) The good news  are | is that next week will be fine and sunny. RULE#2  
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