题目内容
You will have to see to ________ that the machine is in good condition before using it.
- A.everything
- B.yourself
- C.all
- D.it
D
see to 后接由that 引导的宾语从句,其后必须跟上it.
see to 后接由that 引导的宾语从句,其后必须跟上it.
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