问题
选择题
We________finish it ahead of time, though it was such a tough task.
A．could
B．would
C．were able to
D．ought to
答案
答案：C
句意：尽管这是一项艰巨的任务，我们还是提前完成了。be able to表示经过一番努力做成某事，符合句意。
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We________finish it ahead of time, though it was such a tough task.
A．could
B．would
C．were able to
D．ought to
答案：C
句意：尽管这是一项艰巨的任务，我们还是提前完成了。be able to表示经过一番努力做成某事，符合句意。