The blackboard is ( ) the teacher.A.behind B.am C.in D.under

The blackboard is ( ) the teacher.A.behind B.am C.in D.under 4.The blackboard is ______ the teacher .A.behind B.on C.in D The light(灯) is ____ the desk.A.under B.on c.in D.behind —desk is near the window.A.in B.on C.under D.behind 应添什么? Her pet cat is ____the door?a in b under c next to d behind where is the horse?lt's( )the tree.A.in b.under c.on d.at The woman ( ) black is Mrs Black.A.on B.in C.to D.behind The shelf is ____the door .A.on B.in C.to D.behind Is there a cat ______(under,behind,in)the door? There is a computer _______ the desk.A.on B.in C.under D.for The speech contest is _____ October.A.on B.in C.at D.under The sun is high ______the sky.A.in B.on C.under D.by选什么