Question

Her boyfriend is two years ________ her．

1. A.
   senior for
2. B.
   senior
3. C.
   senior to
4. D.
   senior as

Answer 1

C
senior是形容词，意为“年长的”，可用be senior to表“比……年纪大”，同样也可用be junior to表“比……年纪小”。