Упражнение №15.

Listen and follow along in your books as the following series of numbers are read on the tape. Now listen again, with your books closed. Repeat after the speaker.

a.5-2-4-3-1-6-9-8-10-7
b.7-5-10-2-8-4-9-3-6-1
с8-10-5-7-2-1-6-3-9-4