1. I’ve never heard one-year-old boy can play ________piano.
A. the, 不填 B. an, 不填 C. 不填 , the D. a, the
2. ---Will you please stay here a little longer?
---Sorry, I . I eat dinner with my mother. She’s coming.
A. mustn’t; will have to B. don’t; have to
C. can’t; had to D. can’t; will have to
