More than five doctors and rescuers have got to Yushu County up to now.
一、介词类._____giving a general information to computers, the course also provides practical experience.
. “Here‘s what you asked for.” “______.”
. “Can you spare me a few minutes now?” “______, but I‘ll be free this afternoon.”
. “Would you like to turn that music down? I‘m writing a letter.” “_____.”
. “You must find such long hours very tiring.” “______. I enjoyed it.”