根据汉语或首字母提示，在下列句子中写出单词的正确形式。 1．Her mother ______( 提示)what we should do first bfore we began. 2.  The beauty of Xihu is beyond _______(描述). 3. You must obey the ______(命令)-you are a soldier. 4. As the natural _____(资源) are running out, we must make full use of them. 5. The Great Wall was our final d______(目的地). 6. Although we were very busy, we accepted the i_____ to the wedding. 7.Rice is the s_____ food in many Asian countries. 8.We make ourselves understood not just by words but also by g____ language. 9. He decided to a a useful method to improve his English. 10.S_______ travels more slowly than light.