I can't find the recorder in the room. It________by somebody.
I have _______ my memory for his name, but I can’t remember it.
It is reported that two schools, ________ are being built in my hometown, will open next year.
The scientist knows nothing about the matter, because he is always ______ himself in scientific study.
All the people present at the meeting felt _______ at the ______ decision announced by the manager.
__________ you have made a promise, you should carry it out.