Jim has made many friends sincehe ______ to Chin

The professor sort of dislikes the student, because he always asks some questions that have nothing to _______ his lessons.

Did you know any French before you arrived in Washington?— Never ______ it, actually.

Have you finished all your homework? — Of courseI ________ it before I went out to play football

The reasonhe made such kind of mistakes is that he has had no _______ experience of this kind of job.