Look. There is a car coming fast the other direction.

Excuse me, I’m new here What should I take when I go out—Take a map with you. You’ll find it of great _____ in helping you to find the way.

______ —Good morning, Helen.

Rio de Janeiro still has a lot of things _____ to prepare for the 2016 Olympics.

These national parks are very important for preserving many animals, which wouldrun the riskof becoming extinct[ ]