________cleaning the yard and making up the beds for the old,we also read newspapers for them and had chats with them.
15.While he has failed again and again, he never gives up in order to________his dream.
14.This doubt had been in my mind for some time, but the research still went on____some reasons.
13.Not until I was a senior student_________the importance of English.
12.There is__________in what you say; I will take your advice.
11.—I passed my driving test at the first_________. —Congratulations!