| 1 | C. This song has been singing all over China for 50 long years, the voice of which cannot yet be forgotten. | |
| 2 | Missing is like an endless river, a tender and soft cloud, a fragrant flower and a music of bamboo flute. | |
| 3 | Missing is like an endless river, a tender and soft cloud, a fragrant flower and a music of bamboo flute. | |
| 4 | An elementary school math class can received good results through the excellent introductions and class summary, meanwhile, this approach greatly increased the interest in learning. | |
| 5 | London is buzzing this summer with free music events, street theater, colorful festivals and hundreds of top museums and specialty exhibitions - all for free! |