1 He is surprised to find his room ____(非常)clean.答案是thoroughly 请问对么 为什么
2 Shirley____a book about China last year but I do not know whether she has finished it.A has written B wrote C had written D was writing 请问为什么选D
3 The _____of living is much higher now than it was before.A value B price C cost D worth 请问这四个选项 怎么区别 一般都怎么用 希望详细一些