I soon found that the work I was doing had already been done by someone else_______, I was wasting my time

Do you know where my I think I saw it this morning.

ss is not final, and failure is not deadly. It is the courage to continue ______ counts in life.

Miss Wang, I went to your office at 11:45 yesterdaymorning ,but you weren’t in. — I _____with a student in the classroom at thattime.

We find it ______ for us to learn a foreign language well in such a short time.