“The children are playing in the park.”The main structure of the sentence is ______ .
Tom studies _______. He _______ plays with his friends.
Eighty percent of the teachers ______ women teachers in our school.
Here ____ the results _____ the students activity survey.
When I______ at the hotel,it was very late. A, got B. reached C. arrived D. reach for
He had to retire(退休)early _____ bad health.