1. I knew that this road (be) to narrow. 2. Right now I (attend) class. 3. When we (arrive) in London toinght, it probably. 4. It (rain) hard. We can do anythin' until it (stop) . 5. the keys of the house (have) been lost. 6. To me , Mathematics (be) somethin' very easy to master. 7. Physics (cause) you any trouble at school. 8. A series of lecures bein' presented at the Central Hall this week. 9. Bread and butter what she asks for . A. is B. are C. will be D. have been 10. The army eliminated this sections of the trainin' test. A. has B. is havin' C. are D. have [CÂU TRẢ LỜI + CÔNG THỨC]

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