This car is very expensive. You have to pay half a million dollars ________ it.

Thegeneralsentoutwordthatnooneinthebunker________tobeduntilfurtherorders.

I hope that it is possible to achieve this objective by calling on the smokers ________ good judgment and show concern for others rather than by regulation.

Johnhardlyspeakstoanybodyintheclass,________________?

Iappreciate________(give)theopportunitytostudyabroadthreeyearsago.