It is the teacher-and-student interaction ______ students should be the center of teaching ______ makes classroom learning a more enjoyable process.

(单选题)I can’t figure out why some foreigners must go out ______ st (单选题)—I wonder ______ that bus service is provided in the Mount Q (单选题)China-Russia relationship has become a good example of _____ (单选题)The spokesman noted ______ some individuals apparently lack (单选题)As Polly observed the passengers on the train, she had a fee (单选题)The origins of ______ is now generally known as modern art c (单选题)People often turn to chinadaily.com.cn, ______ they’ll find (单选题)Zhang Ze took on a victory in the 2019 French Open, ______ w (单选题)Newton is shown as a gifted scientist with every human weakn (单选题)I shall never forget those years ______ I lived on the farm