6.They should(A) use(B) coal ,but they had to use(C) oil instead,because there remained little coal(D).
　　7.Harry met(A) Mr.Gree yesterday but he dare not(B) tell him that we had smashed(C) the motor-car we borrowed from him(D).
　　8.He confessed(A) that for months he was(B) scarely being able to(C) look at the lawyer without becoming angry(D).
　　9.Judging(A) by the noise that is coming from their room,I think that(B) they must(C) have(D) a party.
　　10.What a pity(A) we didn't know(B) about the show !We should(C) like(D) to see it.
　　答案：6. D (改为：have used）
　　7. B (改为：didn't dare)
　　8．D (删去：being)
　　9. C (改为：be having)
　　10. B (改为：have liked)

试题推荐：2015年成人学位英语词汇辅导对话练习模拟试题 历年真题