So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.
—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.
—Is Alice still performing? —I'm afraid not. She is said _______ the stage already as she has become a director.