1 Is Peter a student? 2(1) Who is a student? 3(1) Is Peter a student or a worker? 4(1) Is Peter or Tom a student? 1(2) Are there five blades on the table? 2(2) Are there five blades on the table? 3(2) Are there five blades or 5 apples on the table? 4(2) How many blades are there on the table?