— Would you like to perform ____ the party?
— Sure. [ ]
A. at
B. in
C. on
A
—What’s this in English?
— ______ .
A．It’s a watch
B．Yes, it’s a watch
C．It’s my watch
D．No, it’s a watch
柴油机气缸备件的存放，应涂抹黄油后（）
A.平放
B.竖放
C.悬挂
D.固定在专门的托架上
