1 __________ that a foreign traveller lost his way in the mountain.
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After two years' hard study, Lisa found her English was greatly __________.
Leo's English is poor, but he __________ to improve it by spending moretime on it.
That __________ great! Lefs apply for the jobs right now.
Fill in the blanks.用所给单词的适当形式填空。English __________(be) a must for a secretary in an international company.