1.-you _part in the party on time.
-SORRY,Iwsa delayed by the accident.
a.were to have taken b. have supposed to take
2.everyone had an application form in his hand,but no one knew which office _
a.tosend it to b.to be sent to
3. hoping he would not be seen ,Bob stole in,_his schoolbag and rushed out
a.picking up b.picked up