March 12, the students were plantingtrees ____ the classroom.

The judge permitted the couple ________ the boy who became an orphan after the earthquake.

That famous progressive thinker was asked to _____ a speech at the meeting.[ ]

Look! Somebody _____the sofa.— Well, it wasn’t meI didn’t do it

chatting with a stranger on the Internet, bear inmind______ he could be anybody, for you can’t see him _________