Choose the suitable prerosition.
1. I must go (for,to,at) Moscow (at,in) spring.
2.Look (on,at,to) the blackboard. Do you see any mistakes(in,at,on) it?
3.Wait (to,by,for) me,please. I`ll come( in,through,by) s minute.
4. We turned( on,in,off) the tape-recorder and listened(on,to,in) music.