题目内容
In order to ______ the life of the machine, regular maintenance is required every month.
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Mr. Trinity is very busy; ______, he tries to stop and chat with each of his staff members every day.
In his most recent work, Anthony Ward has ______ to blend traditional and modern music resulting in relaxing melodies.
New staff members ______ wish to participate in the farewell party for president Lopez must sign up in advance.
Catering ______ to the health and environmentally conscious people, Mother Nature"s Food is filled with a wide array of fresh organic foods.
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