We ____ at the park yesterday. (singing, sing, sang, singed, songed)
sang
____ are caroling through the neighborhood. (Us, I, He, Him, Our, They)
They
The ornaments ____ beautiful. (am, is, were, was, are, being)
are
They are ___ a demonstration (on, at, for)
at
The teacher is ___ work. (in, on, at)
at
