We must study hard, we’ll fail in the exam. A. but B. and C. so D. or 查看更多

 

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We must study hard,______ we’ll fail in the exam.

A. but              B.and               C.so               D.or

 

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We must study hard, _______ we'll fail in the exam.

[  ]

Abut

Band

Cso

Dor

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