232. A grander National Day will be observed on Tiananmen Square on October 1 every five years. Which of the following words can replace the underlined word?
I have been studying computer for years and I still ___.
The flower is dead. I ___ it more water.
I’m very happy ___ a chance ___ your school.
---Did you notice Tom was busy all day in his office?---Oh, yes, he has just finished his business tour of Chicago. He has a lot of work to ___.
I was not bothered by his poor English ___ by his lack of manners.