21.  I want to know which is the right one and why it is right.

22.  and " He is taller than me" this two word who is right, I hear my teacher said the frist But the other said was the second, I don't know who is right , can you help me?

23.  and the second question is I don't know ' further " ad " farther " how to use and what they have different .

24.  In this way, we can not only know the news both at home and ahroad , but improve our hearing ability as well.

25.  When he stepped back into the cave, he found that was a god hiding place .One morning, he saw nine savages sitting around a fire and eating something they had cooked in the fire: After they had been away, crusoe found the bones of a human being, crusoe knew that the savages hilled their enemies and ate them, He made up his mind to shot them if they came again.

26.  didn't know how to write.

27.  beacuse There were much grammar we wouldn't know.

28.  Teacher, I wouldn't know it was right or wrong.

29.  and make us know the labout is very instructive.

30.  I asked me own .I answer is I didn't know too.