How can you keep the machine to run?
举一反三
- How can you keep the machine ________ when you’re away? A: run B: to run C: running D: being run
- How can you keep the machine _____when you are away ? A: run B: ran C: running D: being run
- How can you keep the machine ____when you are away?
- If you don't know how to use the machine, you can _____ (寻求帮助)
- Will you tell me _______ keep fit and healthy. A: how I can B: how can I C: what can I D: what I can