【单选题】They have three ______________. [ ]
【判断题】In America, they have three ball games every season.
【简答题】同义句转换,每空一词。 1. We have four weeks off. They have three weeks off. We have ______ ______ week off than them. 2. John runs faster than any other student in his class. ______ ______ in his class runs fas...
【简答题】They have three __(child).
【判断题】电弧中的所有电子都是从阴极斑点发射出来的。