Why ont use the lift__ the last three floor?A.in B.on C.for

Why ont use the lift__ the last three floor?A.in B.on C.for I usually use the computer ___ my homework A for B in C on D 单项填空( )1.Your notebook is ____ the floor .A.in B.under C.on Mr Green lives in a three-bed room on the fifth floor.怎么译? Do you know the answers the three questions?A：with B：on C：in there are three bowls ____rice on the table.A./ B.for C.of 最 Do you know the girl_a hat?A in B wears C on D use There is a pet shop on the (three) floor I live ( )the fifth floor,Room 5 A A on B in C at 请选择,并说原因. the answer is A ,tell me why why not use B or C I was just _____ for the last bus.A.in time B.on time 这个介词选择什么?Let me go _ sweep the floor.A.on B.in C.of D.and