Many visitors come to Beijing because it is ________ city.

— Mum, I’m too tired to walk any farther.— You mean it’s _________ to take a taxi?

—Susan, how are you feeling now?—I feel much _______after taking a short rest.

We're busy because we have so        housework to do today.

When you feel helpless and _______, just remember you are not _____ in the worldbecause your friends are around you, including me.