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It’s beyond their expectation what great trouble they have -

学习时间:2026-04-04 20:32:34 阅读：6046

It’s beyond their expectation what great trouble they have _____ the problem _____．A．to solve; being discussed B．solving; discussing C．to solve; to discuss D．solving; being discussed

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独特的冷风

沉静的网络

2026-04-04 20:32:34

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Dhave trouble (in) doing sth :做sth有困难,遇到麻烦being discussed做problem的后置定语,正在被讨论的问题

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虚幻的冬瓜
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2026-04-04 20:32:34
Dhave trouble (in) doing sth :做sth有困难,遇到麻烦being discussed做problem的后置定语,正在被讨论的问题

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