--- What’s wrong with Mr. Brown?--- He said he would come at nine, but he didn’t at that time.
.Nobody but doctors or nurses and those ________ by Dr. Hu ________ to enter the patient's room.
________ terrible weather it was when tsunami and earthquakes happened in Indonesia.
Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of ________.
You must keep ________ in mind________you are a student and you should obey the school rules.
Whenever I met her,________ was fairly often, she greeted me with a sweet smile.