题目内容
用动词的适当的形式填空:
Young Tom kept on ________ (try) out his new ideas.
答案:trying
解析:
解析:
|
“keep on+doing…”为固定结构。 |
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题目内容
用动词的适当的形式填空:
Young Tom kept on ________ (try) out his new ideas.
|
“keep on+doing…”为固定结构。 |