But sometimes it may not be easy to tell whether a subject is singular or plural. See if you can complete the following sentences by choosing the correct word.
但是,有时候不容易决定主词是单数还是复数。试选择适当的字,填妥以下的句子。
He never did learn to walk, but he did learn to talk not even in complete sentences, but he had the basics down.
他确实从未学过走路,可学过说话说不出完整的句子,不过能吐出最基本的生活用词。
He never did learn to walk, but he did learn to talk not even in complete sentences, but he had the basics down.
他确实从未学过走路,可学过说话说不出完整的句子,不过能吐出最基本的生活用词。
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