问题 填空题 根据所给音标,写出下列单词中发这个音的字母组合。1. about ___________ cow ___________2. yellow ___________ coat ___________3. tree ___________ team ___________4. four ___________ floor ___________5. turn ___________ bird ___________ 答案 1. ou, ow 2. ow, oa 3. ee, ea 4. our, oor 5. ur, ir