Supply the correct form of the word in capital to complete each of the following sentences.
1. The most _____ earthquake in Japan occurred in 1923 (DANGER)
2. This letter needs _____ immediately. Will you take care of it? (SEND)
3. Which is _____? Ha Noi or Ho Chi Minh City (LARGE)
4. They are proving so _____ that similar centres will open soon across the country. (SUCCESS)