86. 写出同义句(It.......since.....)He has been in the club for two years.=He joined the club two years ago. 87. 变为被动语态 People have acquired knowledge through exploration. 88.
I live in the land of Disney, Hollywood and year-round sun. You may think people in such an attractive and exciting, fun-filled place are happier than others. If so, you have some mistaken ideas abo