_重庆成考网

55.__________

 A poet and artist____coming to speak to us about Chinese literature and painting tomorrow afternoon．

• A、is
• B、are
  
• C、was
  
• D、were
  

Doctors_____．

• A、encourage people to take part in cold-water swimming actively
  

• B、point out the possible danger of blood illness during cold-water swimming
  

• C、believe swimming is helpful both in winter and in summer
  

• D、have different ideas about the medical effects of cold-water swimming