1.D on the spot 在现场 固定用法
2.C hide oneself 隐藏自己 conceal是欺骗 disguise是假装 cover覆盖
3.C 声称
4.C 他说他不会回答我的问题,以表示对我的蔑视.
5.A 开发培养学生的能力
6.C not until开头时,后面的主句用倒装,直到他老板于午夜12点回到办公室时他才回家
7.D 注意是被动状况 只能选D 被要求 不能被赶快 被冲 被跑 如果没有were 其他三个都对 最后一个不对
You should not have rang me when I was busy mixing the butter and flour.
The telephone had Been ringing for three minutes Before it was answered
But for your help,I would not have passed the exam.