選B
有具體時間不能用完成時態(tài) 所以只能選knew
后面的時態(tài)要跟前面一致 所以要用一般過去時 選擇grew
By the time he was fourteen,he___what he wanted to be when he ___up.
By the time he was fourteen,he___what he wanted to be when he ___up.
A.knew,grows B.knew,grew C.had known,grew D.has known,grows
選什么,為什么.
A.knew,grows B.knew,grew C.had known,grew D.has known,grows
選什么,為什么.
英語人氣:692 ℃時間:2020-03-31 06:04:32
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