完形填空。 Li Ming and Joan_ 1 my good 2 .  Li Ming 3 from Englandand Joan is 4 China. We 5 in the same 6 and the 7 class. Li Ming 8 singing and Joan likes singing, _ 9 _ We all 10 very hard. (      )  1. A.is (      )  2. A. friend (      )  3. A.is (      )  4. A. to (      )  5. A. are (      )  6. A. school (      ) 7. A. some (      ) 8. A.like (      )  9. A. also (      )  10. A. work B. am B. friends B. are B. come B. do B. classes B. same B. likes B. too B. works C. are C. friendes C. does C. from C. be C. grades C. different C. likes to C. well C. working