Leonardo da Vinci ________ birds kept in cages in order to have the pleasure of setting them free.

Why are you ready ________ Jour study in America? 一Because English is spoken ________ the first language there. [ ]

Perhaps John’s not in. —–_______. Look, the light’s on.

When I opened the fridge, there ______ only some eggs and a bottle of milk.

A lot of meetings were—— because of the dangerous disease.