Teachers will never be ____ by computers in the classroom though the Internet is popular.
—Mr. Gordon asked me to remind you of the meeting this afternoon. Don't you forget it? —OK, I ________.
We want to encourage students to ________ the running of the college.
We didn't know you were in trouble at that time, ________ we would have given you a hand.
______ surprised the family most was ________ the girl played basketball very well.
_______ in the jungle, the explorer had little hope to find his way out.