1.C 2。 (The word is wrong. If the word is plural, choose B, singular, choose A) 3, B 4. For me, it is very interesting to find that many Jews liked living in Harbin many years ago (love should be live, right, man? )

The first Jews may have arrived in Kaifeng as early as 1000 years ago, and they welcomed them with a song called "The Emperor".

7. More than two years