Question

13. He eat a lot of meat,but now he eating lots of vegetables.

   A. used to;used to

   B. used to;is used to

   C. is used to;used to

   D. is used to;is used to

Answer 1

13. B

13. B used to表7K“过去常常”，后跟动词原形；“习惯于 ”用be used to表达，后跟动词-ing形式。