Why not____ your teacher for help when you can’t finish _____ it by yourself?
| A．ask, write | B．to ask , writing |
| C．ask ,writing | D．asking, write |
Why not____ your teacher for help when you can’t finish _____ it by yourself?
| A．ask, write | B．to ask , writing |
| C．ask ,writing | D．asking, write |
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