—Where is Bob? I cannot find him anywhere.—He have been off long. I heard him make a call just now.
We thought of selling this old furniture,but we've decided to ________it. It might be valuable.
________a moment and I will go to your rescue.
He's so determined that no one can ________from making an attempt.
The little boy showed great interest ________chemistry when he was doing it________ the first time.
What surprised me was not what he said but ________he said it.