the recorder is chiefly characterized by its easy maintenance什么意思?

IS THERE ONE TAPE IN THE RECORDER? is there one tape in the recorder? IS THERE ONE TAPE IN THE RECORDER? The recorder is very useful.(改为感叹句)_____ _____ _____ recorder it is! Peter is a reporter.The tape recorder is _ Peter is a reporter ,the tape recorder is______ 连词成句 is,is,it,your,where,phone,video,recorder,behind,mobile,the(?.) Is the ( ) in the recorder?A:Tape B:Tapes C:One tape Is the ( ) in the recorder?A:tape B:tapes C:one tape Something is wrong with the tape recorder. It needs (repairing; repair). the recorder is chiefly characterized by its easy maintenance什么意思? Peter is a reporter.The tape recorder is _我要的是解析!Peter is a reporter.The tape recorder is _此题应填：his请·告诉我为什么. The recorder signs and dates the form. electricity is ____(change)into the form of sound energy in the tape recorder用正确形式填空 The tape recorder is out of order.The tape recorder_____A.doesn't work B.works well C.expensive D.cheap Who is using my tape-recorder? Is this the recorder you want to have repaired?句Is this the recorder you want to have repaired?句中为什么用了 have done 而不用动词原形? our new recorder is more expensive than __we had before.A.the one B.oneC.thatD.what