单词拼写。 1. I had a long talk with the _____ (校长) about my son. 2. _____ (正义) has long arms. 3. Coal has been _____ (开采) since the sixteenth century in this area. 4. The tablets should be cleaned _____ (两次) a day. 5. People were too polite to correct my _____ (语法) when I spoke English. 6. It's not that I don't like him-on the _____ (相反), he seems very pleasant. 7. My thoughts _____ (漫游) from the exam questions to my interview the next day. 8. They are _____ (挣扎) to keep their heads above the water. 9. They ordered Chinese food, and when it arrived they ate _____ (饥饿地). 10. She _____ (耽搁) for two hours and missed the train.