英语 紧急提问.1.the teacher gave me an english book yesterday .(被动

英语 紧急提问.
1.the teacher gave me an english book yesterday .(被动语态）
an english book _____ _____ ____.
2.last sunday we heard them sing peking opera in the theater .(被动语态）
they ____ ____ _____ peking opera in the theater last sunday .
3.was the telephone invented by bill she wasn't sure .(合并为一句）
she wasn't sure _____ the telephone ____ _____ _____ bill.
4.were you shown around the new lab by the teacher （主动语态）
_____ _____ ______ you around the new lab
2.last sunday we heard them sing peking opera in the theater .(被动语态）
they ____ ____ _____ ______peking opera in the theater last sunday
4..were you shown around the new lab by the teacher （主动语态）
_____ _____ ______ _____you around the new lab