问题
填空题
按要求写单词。
1. leaf (复数) _______________
2. sheep (复数) _______________
3. pull (现在进行时) _______________
4. in front of (反义词) _______________
5. grass (复数) _______________
答案
1. leaves 2. sheep 3. pulling 4. behind 5. grass
