--- Did you turn off the lights before you left the computer room? ---- Oh, I forget _______ them off. I’ll go to do it.
Mr. Smith is ________a teacher. He is also our good friend.
The visiting group ________ famous football players.
We will discuss the strange idea you________ this afternoon.
I am addicted to computers. I spend most of my time ________ the Internet.
Yesterday I ________ my email box at www. 126.com and found a new email for me.