34. It is said that the old man, ______ abroad for nearly 20 years, is on the way to his motherland.
—Have you thought of the topic for the composition? — Not yet.I _____ it very carefully, but I haven’t decided.
The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.
People have planted a lot of trees and grass in order to ____ wind and sand in the desert.
Read the passage and correct the mistakes, ______..
——Could I use your English dictionary for a few moments? —— ________.I’m not using it myself.