The theory _____ by Einstein was later to prove true, but at that time few people could accept it .
30.Some children want to challenge themselves by learning a language different from____spoken by their parents at home.
29.Lucy had to shout ___________on the noisy street.
28.Besides hotels,there are also families_____visitors can experience the warmth and kindness of the local people.
27.—Why is your professor so happy recently? —Because the theory she insisted on ________correct.
26.Was it at the school gate,if I may ask, _______you met your friends from your hometown?