_江苏成考网

The reason________the president kept silent is still unknown.

• A、how

• B、why
  

• C、when 
  

• D、what

24、选出最合适的答案

• A、changing

• B、enjoying

• C、making
  

• D、improving

P: No, not very serious, but the doctor told me to stay in bed and have a good rest.
S: I see. I’ll  _____55_____ as soon as he came back.
P: Thank you. Goodbye!
S: Bye!