— I'm planning to climb Mount Huang this Summer. Would you like to come along?

— Wow! That would be exciting _____ challenging. I'm in!

— A great person once said,"If you can follow your heart and never _____,your dream will come true."

— I think so. I believe I will enter a good high school this year if I try hard.

I always get up early on weekdays,_____ I'm afraid I will be late for school.

Many cities in China,_____ Beijing have been deeply affected by dirty air.

Sometimes you have to stop _____ too much and just go where your heart takes you.

Rio will become the most amazing city _______ the Olympic Games in August.

Thanks for your invitation,but I'm so sorry I can't go. I need to _____ my baby at home.

I am tired after the long walk. I want to have a _____.

— Your uncle is very good at cooking! How did he learn it?

— He learned it by _____.

— Reading is a good way to spend the time on the plane.

— That's true. I never go travelling _____ a book.