------Do you know the woman who is looking____ over a patient? ------ Yes. She is one of the best ____ in our hospital.
When you don’t know a word, you can _________ in the dictionary.
—Could you tell me ___________? —About three hours.
Dad, the phone is ringing. I guess either you or Mum ________ on the phone.
— Amy, I called you yesterday evening, but nobody answered the phone. — Oh, I _________ a walk with my mother at that time.
— I hear the famous singer Xu Song may come to Weifang next month. — Really? _______ he comes, my younger sister will be very excited.