It is I ____ singing in the garden.

Either you or one of your family members __________the opening ceremony next week. 

At the bus stop _______ a  solider  and  two  young  people  on  their  way to  the village. 

---So you are back; are all the students present at the meeting? ---Not really, nobody but Lucy and John ___________ in the meeting room.

Riding on the swings and playing with the ducks in the pond _____ our children’s greatest pleasures when we took them to the park.