but doctors, nurses or those ______ by Dr Hu______ to enter the patient’s room

I waved to see him off and watched the train until it disappeared .[ ]

________ of the city ________ covered with parks and gardens, oh, it’s really a green city.

One reason ______ Billy Crystal is popular with all age groups is _______ he is quick thinking and has the ability to amuse the audience.

How many workers are there in your factory, Mr Brown— ________ workers in our factory________ more than ________.