2017学年度Book4Unit1Women of great achievementGrammar(第4课时)(50张)
2017学年度Book4Unit1Women of great achievementGrammar(第4课时)(50张)第4页

Look at the following two sentences from the text and observe the differences between them.

Examples: Our group are all going to visit them in the forest. Our group is going to be very tired and dirty by the afternoon.