unit 1  where did you go on vacation?��ȥ�ă��ȼ�  mike's vacation  �~�˵ļ���  disney land  ��ʿ�ᘷ�@  winter camp  ����I  everyone's summer vacation  ��ҵ����unit 2  how often do you exercise?����呟�һ��?  sports  �\��  exercise is good for your health  �\�����潡��  what do you know about football?  �㌦�����˽����?  do you like roller-skating?  ��ϲ�g������ng?unit 3  i'm more outgoing than my sister�ұ��ҵ�����߀Ҫ�  we have the same father  �҂��zһ����  susan and i  �Kɺ����  my good friend  �ҵĺ�����  changes about sleeping time  ˯�ߕr�g�ĸ�׃unit 4  what is the besf movie theater?�Ă��ӰԺ*��?  what's your most favorite season?  ��*ϲ�gʲô����(ji��)?  which is the best moive theater?  ��һ���ӰԺ*��?  the best gift for mother  �ͽo������*�öY��  the most popular place in the town  �(zh��n)��*�ܚgӭ�ĵط�unit 5  do you want to watch a game show?����ȥ��һ���Α�(ji��)Ŀ��?unit 6  i'm going to study cumputer science��Ҫ�W��Ӌ��C�ƌW��unit 7  will people have robots?����費��Ҫ�C����?unit 8  how do you make a banana milk shake?��������㽶����?unit 9  can you come to my party?���܁텢���ҵľە���?unit 10  if you go to the party, you'll have a great time!�����ȥ���Ӿە��������ú��_��!unit 11  what's the matter?��ʲô����?unit 12  i'll help to clean up the city parks�Ҍ���������ЃȵĹ��@unit 13  could you please clean your room?���ܰѷ��g����†�?unit 14  why don't you talk to your parents?��ʲô�����V��ĸ�ĸ?unit 15  what were you doing when the rainstorm came?���L����R�ĕr��������ʲô?unit 16  an old man tried to move the mountains�޹���ɽunit 17  what's the highest mountain in the world?������*�ߵ�ɽ������ɽ?unit 18  have you read the treasure island yet?���x�^�����y�u���@��С�f��?unit 19  have you ever been to a museum?��ȥ�^�����^��?unit 20  i've had this bike for three years�ғ����@�v����܇������