1.IF you __over there for a moment,i'll tell him you've arri

1.IF you __over there for a moment,i'll tell him you've arrived.A.shall wait B.waited C.will wait D.should wait 2.If the telephone __ring,please say that I'll be back at three.A.should B.will C.shall D.can 3.i cannot understand why he goes on__the same,if he hates __in the office A.doing working B.to do to work C.doing to work D.to do working 看看这三道题都选什么,然后理由.....thx