6．——Could I use your English dictionary for a few moments?
—— ________．I’m not using it myself．
A．Come on B．It depends C．Go ahead D．That’s great
7．Read the passage and correct the mistakes, ______．
A．if not B．if any C．if ever D．if never
8．People have planted a lot of trees and grass in order to ____ wind and sand in the desert．
A．hold down B．hold up C．hold back D．hold out
9．_____ and happy, Tom stood up and accepted the prize．
A．Surprising B．Surprised C．Being surprised D．To be surprised
