We need three hours to finish the work.（对three hours划线提问）
We need three hours to finish the work.（对three hours划线提问）
____ _____ _____do you need to finish the work.
已给3根横线,请填上去.
____ _____ _____do you need to finish the work.
已给3根横线,请填上去.
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你能帮帮他们吗