Question 15
Oanh is making a bracelet by stringing beads onto a thread. First, she strings 2 white beads on the left side of the thread, then 1 black bead on the left side of the thread, then 2 black beads on the right side, then 2 white beads on the left side, then 1 white on the right and 1 black on the left. Which picture shows Oanh's bracelet when she finishes?
