The design isn’t successful unless it ________ people of all ages and social groups.

What a thick fog! I went the wrong way at the corner and finally got lost.— It’s easy to make a wrong turn here even under an ideal weather________.

__ you’ve tried yourself, you’ll never know whatan exciting game bungee jumping is

If you ________ some time for sports every day, ________ you’ll find it ________.

After going into the hall, the mother _____a friend and went over to greet him.