I’ll be free ___ seven o’clock

the photos of the coastal city, Ihave no desire to visit it,it’s crowded all year

We work together to achieve our common purpose： ________ world that is safer， cleaner and healthier than ________ one we are living in.

Jim is ______excellent runner. He often comes _____first in the race.

— Liu Fang, I didn’t know you can play the Pipa and Guzheng so well.— Well, actually I ________ it since I was six years old.[ ]