There is no easy walk to __________ freedom anywhere,and many of us will have to pass through __________ valley of the shadow of death again and again before we reach the mountaintop of our desires.
. With two months _______,we'll have to say good-bye for our school life will be ending.
—The woman biologist stayed in Africa studying wild animals for 13 years before she returned. —Oh, dear! She _______ a lot of difficulties!
It was in the lab, _______ was taken charge of by Mrs Smith, they found the missing necklace.
_______ for his action on the playground, but he is also famous for the things that he does off the playground.
I'm moving to the countryside because the air there is much fresher than _______ in the city.