六、根据语篇内容，用方框中所给词或短语的正确形式填空。
cut surprise keep high come down
One day, a father and his son were flying a kite. Soon, the kite flew up high in the sky. After a while, the son said, “Father, it seems that the thread(线) 1. ______ the kite from flying higher. If we cut it, it will be free and will fly even 2. ______. Can we cut it?” So the father 3. ______ the thread from the reel(卷轴). The kite started to go a little higher. That made the son very happy.
But then, slowly the kite started 4. ______. And soon it fell onto the grass. The son was 5. ______ to see this and asked his father why it happened.
drop direct make progress back stop
The father explained, “My son, the thread was not keeping the kite from going higher, but it was helping it stay in the sky when the wind 6. ______. And when the wind picked up, we helped the kite go higher in a proper 7. ______ through the thread. And after we cut the thread, the kite fell without the support we provided for it through the thread.”
“In our life, we often think that some things are 8. ______ us from going higher,” the father continued. “Sometimes we could 9. ______ quickly and reach new heights if we were not tied down to our family. But we fail to realize that our family help us out during the hard times. In fact, they are not holding us 10. ______, but supporting us.”

1. is keeping 2. higher 3. cut 4. to come down 5. surprised 6. dropped 7. direction 8. stopping 9. make progress 10. back