I’m afraid I can’t finish the work _____ to help me. ( )(本题2.5分) A、 unless you will come B、 unless you come C、 until you will come D、 until you shall come

I’m afraid I can’t finish the work _____ to help me. ( )(本题2.5分)
A、 unless you will come
B、 unless you come
C、 until you will come
D、 until you shall come

出自：西安石油大学-石油工程技术-大学英语I（上）

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