The modern plane is not the machine_____it was when first invented.
举一反三
- The modern plane is not the machine_____it was when first invented. A: who B: whom C: which D: that
- When was the first bicycle invented The first bicycle was invented .
- When electricity was first invented, people refuse to believe such a thing .
- When the machine is turned on for the first time,it must be sent to its home position.
- The ability to store knowledge makes computers different form every other machine ________ invented.