We went back to the street and to the house, in front of ______ we had found the BlackBerry cellphone.
It’s the third time _____ arrived late this month.
Our classroom is very clean. Do you know who___cleaned it?
—— Was that the new comer who walked by? —— _____.
____being March 12th, they planted trees on the hill.
—— Have you ever seen a whale alive? —— Yes, I’ve seen ___.