_____ computer has been proved to be _____ important aid in classroom teaching.
——“Dear Frank, when will our wedding be?”——“Ah, when? God knows.” He said, and ____ away from her, walked rapidly away.
To read Tolstoy and ____ to the nineteenth century Russian literature are two excellent reasons for taking Professor Morrel’s course.
You’d better not wear such ties, because they ____ three years ago.
Parents are advised to take pressure ____ a child and give him some encouragement before an exam.
——Tomorrow ____ my birthday. I’d like you and Jane to come.——I’m not sure if she ____ free.