The teacher asked us to pay attention to the       words.

 Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _______ Sino-US relations have made remarkable progress.

 It is obvious that the hopes, goals, fears and desires _____widely between men and women, between the rich and the poor.

 You’d better take a map with you when you go to a strange place ___ you get lost.      

—Language learning is much ________ for children.—Yeah, I quite agree. Their minds are more flexible.