Which of these is the revisions corrects the inappropriate shift in verse tense?

Derek's mother had a busy day ahead of her. she asked derek to by going to the store and buying groceries. "we need bread, milk, cheese and other things," she said. "don't forget to take the list. i know how forgetful you are." derek agreed to do the shopping, but after his mother left, he quickly forgot about his promise. several hours later, he remembered. he ran out the door and headed to the store. he forgot to take the shopping list. when he returned home, derek unloaded the groceries. he had carefully packed the dairy products and vegetables in one bag. the bread and canned goods were packed in the other. he reached into the first bag and took out beans, broccoli, butter and cheese. he put them neatly into the refrigerator. then he put away the bread and soup. when his mother came home, she opened the refrigerator and frowned. 1 select the correct answer. read the passage. then choose the best prediction of what will happen next. a. derek's mother tells him that he forgot to buy milk. b. derek's mother tells him he bought the wrong kind of milk. c. derek's mother tells him that she bought the milk.

Read this passage: many manufacturers prefer plastic as a material for containers because it can be molded into many shapes. but plastic is not very strong. it must be fused with glass or steel for strength. it is also not very durable. even the strongest plastic can break under enough pressure. the biggest disadvantage to using plastic is that it does not decompose. while plastic can be recycled, doing so is tedious and difficult. while it may be more expensive and difficult to work with, aluminum is a much stronger building material with far greater tensile strength. it conducts electricity because it is metal. best of all, aluminum is very easy to recycle. even if it is thrown away, it decomposes much more quickly than most manufacturing materials. how does the compare-and-contrast organizational pattern of the passage support the author's purpose? a. the passage gradually leads up to the point about decomposition to inform the reader about the importance of recycling plastics. b. the passage lists the advantages and disadvantages of each material to make a case for the use of plastic and not aluminum in containers. c. the passage begins with a description of plastic's problems in order to call attention to the good qualities of aluminum. d. the passage shows the superiority of aluminum in order to make a case for the production of stronger plastics.

Which resource is most useful for finding the correct spelling of words?