(1a) Jack was good-looking when he was young. (1b) Jack was good-looking when young. Yes, (1b) is fine. It's an example of ellipsis of the subject pronoun "he" and the …
He (play) football regularly for many years when he was young. 语意为：当他年轻时，他长达很多年定期地去踢足球。 根据时间状语when he was young和程度副词regular. He …
We are also told that Abraham Lincoln_____ A．never cared much for reading B．did much reading when he was young C．never had much chance to read D．became an …
When he was young, he _____ with his grandparents. A lives. B live. C lived. D will live
本题的关键部分是when he was young.说明是在当他年轻的时候，这是一个过去的时间，故使用一般过去时。 句意：当他年轻的时候，他踢了很多年的足球。 故A正确。
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