does he have a watch?改为复数句 i have a baseball.用peter代替i
does he have a watch?改为复数句 i have a baseball.用peter代替i jane has some tennis rackets.改为否定句 my sister has four pencil cases.改为一般疑问句并做否定回答 they have a computer改为否定句
Do they have watches? Peter has a baseball. Jane doesn't have any tennis rackets. Does your sister have four pencil cases? No,she doesn't. They don't have a/any computer.