用括号中所给单词的适当形式填空。 |
1. Please call me if you have any problems ____________ (work) out. 2. Marie Curie received the Nobel Prize ____________ (two) during her life time. 3. I think it is ____________ (danger) for children to be close to wild animals. 4. The old man has been ____________ (die) since three years ago. 5. I know only one of the ____________ (visit), how about you? |