Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.
.She listened to the music with her face_________ in tears.
—Have you been here long? —_________.
—Shall I invite Tom to my party? —Yes,it will be nice if you_________.
.Either Joe or Rose was the last to leave the lab yesterday.But I’m not sure_________.
—What’s the matter with John? —He didn’t pass the test but he still_________.