用所给动词或动词短语的适当形式填空 take up, lack, ache, bend, press, master, lose sight of, sweep
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用所给动词或动词短语的适当形式填空
take up, lack, ache, bend, press, master, lose sight of, sweep up, assist, imitate
French was a language he had never _______.
试题答案
答案:mastered