若∠ α=60 °，则它的邻补角=（ ）．
题型：填空题
问题：
若∠ α=60 °，则它的邻补角=（ ）．
题型：填空题
| 从方框中选择合适的单词或词组填空。 | |
 much trouble. 2. _______ the teacher, I feel the importance of learning. 3. Please sing an English song _______ me. 4. There was a ________ of people in front of th  e town hall.5. I have an ________ with Mr. Brown. |