There is a bad smell here. I the gas. [ ] A.forget to turn off B.must forget to turn off C.must have forgotten to turn off D.must have forgotten turning off 2.发散思维演练 Imagine you often surf the Internet and have known an e-pal. you might want to tell her something about yourself. What would you tell her? Use the words given below. You can use other words if you like. cell phone number E-mail address home address your friends your hobbies your parents I would tell her because . I am not sure whether or not to tell her because . I am sure that should be a secret to my new key pal because . 查看更多

 

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There is a bad smell here.

I ________ the gas.

[  ]

A.forget to turn off

B.must forget to turn off

C.must have forgotten to turn off

D.must have forgotten turning off

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