Mr Smith teaches English in a university . He is often very busy with work. When it's summer or winter holidays, he goes out to take vacations to relax. Usually he goes to France because he thinks it's an interesting country. And he can speak French very well. But last month he said to his wife , "I'm not visiting France this time. I want to go to a different country. I _ Japan. But I can hardly speak Japanese, so I'm going to study it for a month before I go." He studied pretty hard for a month, and then his vacation started. Ten days later, he came back. His wife asked him, "How about your short vacation in Japan? Did you have any trouble  with your Japanese there?" "No, I didn't," answered Mr Smith. "But the Japanese did!" Which of the following is TRUE?
Mr Smith works as a math teacher in a university. Mr Smith takes vacations in different countries every year. Mr Smith can speak English and French very well. Mr Smith went to Japan with his wife.