They thought too much about ______.
Mary is a newcomer. I suppose it will take her a long time to _______ herself to the new surroundings.
Thank you for giving me so much help. I _______in the experiment without your support.
One of the functions of _______UN is promote respect for human rights, making the world _______ better place.
—I'm afraid I must be off now. — .
At the end of August, another serious quake in Sichuan , _______ has affected 500,000 people, happened about 30 km southeast of Panzhihua City, near the Sichuan-Yunnan border,