John cannot but----his teacher to help him solve the difficu

学习 时间:2026-08-10 23:47:12 阅读:2618
John cannot but____his teacher to help him solve the difficult problems.A.to ask B.ask C.asking D.asked 详解.

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凶狠的大米

大气的美女

2026-08-10 23:47:12

B。 cannot but 不得不,后面接动词原型