用所给单词的适当形式填空。 1. December is the __________ (twelve) month of a year. 2. As we all know, the silk dress feels __________ (soft). 3. She said to the twins, “Help ___________ (you) to some fruit.” 4. You should do your homework as ___________ (careful) as your sister. 5. The foreign teacher gave us some ___________ (advice) on how to learn English. 6. ______ (teach) high school students in a poor mountain village may not sound like fun to you.
答案: 1. twelfth 2. soft 3. yourselves 4. carefully 5. advice 6. Teaching / To teach