1. I went on a refresher course on new techniques in design to bring myself up to date.

2. She had been on a refresher course.

3. For trainers or practising professionals needing a refresher course.

4. Or just need a refresher course on what goes into one?

5. So we encourage our employees to refresher course.

6. Americans need a refresher course on the American dream.

7. He go on a refresher course in bookkeeping.

8. Mankiw , Gregory. " A Quick Refresher Course in Macroeconomics. "

8. try its best to gather and build good sentences.

9. For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given angle in a right triangle to the hypotenuse.

10. He was sent to take a refresher course in the university.

11. It's partly a refresher course for the salesmen and partly an exercise in staff relations.

12. The Council has made it mandatory for all nurses to attend a refresher course every three years.

13. In numerous training sessions, more than 50, 000 people have had a refresher course on their community.

14. From now on all aircrew went through either a full conversion course or a short refresher course.