句型转换。 1.We're trying to protect the environment .(对划线部分提问) _____are you trying _____ _____? 2.There used to be a lof cheetahs.(改为反意疑问句) There used to be a lot of cheetahs,______ ______? 3.They made Victor weigh himself just now. (改为被动语态) Victor______ ______ ______ to weigh himself just now.. 4. They weigh about 1,ooo pounds . (对划线部分提问) ______ ______ do they weigh? 5. I think what you said is right. (同义句) I______ ______ y ou.. 6. There's something wrong with the watch .(一般疑问句) ______ there ______ wrong with the watch ? 7.I like to go out to play, and I don't like to stay at home.(同义句) I prefer to play outside ______ ______stay at home.