答题应试技巧：
① 认真分析句子结构；
② 注意语境分析，克服思维定势。切记：语言是活的，而语法是死的；
方法：多用排除法；遇上疑问句、强调句、定语从句、插入语等要对题干进行简化和还原。
1. The old system must be reformed as soon as possible________ some honest people can’t fully show off their abilities.
A. which B. that C. where D. what
2. A few years ago, My Heart Will Go On was a popular song among young people, ______ were
often heard singing it at parties.
A. who B. which C. they D. that
3. There are some technologies for safe drinking water that ____ to be used to find long-term
solutions to the problems the world is facing.
A. are being developed B. have been developed
C. is being developed D. has been developed
4. --- I’ll ask the teacher about the attributive clause. I’m very puzzled about it.
--- That’s just _____ most of our classmates have doubt.
A. what B. why C. where D. how
