第一节 语法知识运用 单项填空（每小题1分，共计15分）
1
．Coming into the room, I found them _____at the table, _____ chess．
A．seated; playing B．seated; played
C．seating; playing D．seat; play
2． —When can I use your computer?
—Never! _____ should you touch it．
A．At no time B．In no time
C．At any time D．At one time
