题目

Joe wanted a ______. He asked his ______ for the money and they said he must get the bike himself. But how did he get it? He ______about this when he walked home. Not many people wanted to ask children to work for ______. Maybe he could clean ______ for the neighbors (邻居). But this was not winter. He had to wait a long time ______ it. He couldn’t cut grass for their gardens ______ he had no tools（工具）to do the work with.Then he saw one of his ______, Sue，who sits next to him, delivering（送）newspapers. He thought “I can do that, too. ______ I can get the bike soon.” He r7．一个数包括万级和亿级，那么这个数至少是八位数．×．（判断对错）