— that he picked up French?—It was in 1949 he traveled in France.
16.—Where is Lily, Lucy? I cannot find her anywhere. —She_________have been off long. I saw her clean the window just now.
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.