1.Scientists are hoping for a (突破) in the search for a cure for cancer.
2.We have (积聚) a great amount of evidence against him.
3.However,the problem that she later developed a serious lung disease (打扰) scientists.
4.You should follow the normal procedure if you want to (负责) the law case.
5.If I have improved in any way,I (归功于) it all to my teacher.
6.Details can be (获得) from the Ministry of Education.
7.The film was a (商业的) success.
8. (最初),I thought I would only stay there for a week,but later I changed my mind.
9.It is (强制的) for all motorcyclists to wear helmets.
10.Aunt Mary’s a real (保守者).She’s totally opposed to women going out to work.
答案:1.breakthrough 2.accumulated 3.bothered 4.undertake 5.owe 6.obtained 7.commercial
8.Initially 9.compulsory 10.conservative
