He was ____ the Nobel Prize and received a _____ of several thousand dollars.
The stones each ________ as much as two tons.
________ to overcome the difficulty,he works day and night.
一Did he notice you enter the classroom? 一I don’t think so.He _______ to the radio with his eyes shut·
I think it’s impolite to play ______ trick on others just for ______ fun
I have bought two ball pens ,______ writes well.