![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
按要求改写句子。 1. Sometimes you're supposed to come early. (改为否定句) Sometimes you _______ _______ supposed to come early. 2. Tom visits his grandparents once a week . (对划线部分提问) _______ _______ does Tom visits his grandparents? 3. My pen pal is from America. (用Japan 改为选择疑问句) Is your pen pal is from America _______ _______?