When the cooking class changed to Thursday, I had to so that I could pick up my son from his piano lesson.
The computer systemsuddenly while he was searching for information.
___ the room, the nurse found the tape-recorder ___.
As we joined the big crowd I got _____ from my friends.
Scientists have many theories about how the universeinto being.
Mr. Leea plan to reduce water pollution, which all the people present at the meeting thought highly of.