— You look upset. What ’s the matter.

— I had my proposal _______ again.

The number of tickets _____ will be determined by the size of the stadium.

This is the _____ piano on which the composer created some of his greatest works.

Teachershavetoconstantlyupdatetheirknowledgeinordertomaintaintheirprofessional___.

Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.