What can be the best title for the passage()
A.College Students Rescue Leftover Food
B.Battles Against the Problem of Hunger
C.How to Collect Leftovers on College Campus
D.Waste Problems in University of Maryland
A.College Students Rescue Leftover Food
B.Battles Against the Problem of Hunger
C.How to Collect Leftovers on College Campus
D.Waste Problems in University of Maryland
B.How Do Black Holes Come Into Being?
C.What Are Black Holes?
D.Travel Through A Black Hole
B.National Defense Against All Threats
C.Which Is More Threatening: Terrorists or Spies
D.What We Do as Intelligence Officers
B.Battles Against the Problem of Hunger
C.How to Collect Leftovers on College Campus
D.Waste Problems in University of Maryland
B.Parks are open free of charge
C.The traffic is much less heavy
D.There are no business travellers
B.Pets should be watched when eating bones
C.Pets should be fed with small pieces of bone
D.Pets should be checked on the digestive system
B.rains
C.would rain
D.has been raining
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