【題目】Recently some studies have found that learning ____________ second language can lead to _______________ increase in one’s brain power.

A. a; the B. 不填; the

C. a; an D. the; an

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【題目】—He managed to ________ at the last moment. —You mean he has a narrow escape?
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【題目】Nowadays the belief has become general ________ sea food and fruits rich in vitamin C should never be eaten at the same meal.

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【題目】Eating well and good exercise ________ you free ________ cold.
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【題目】He got up late and hurried to his office, ________ the breakfast untouched.
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【題目】The soldier was of running away when the enemy attached.

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【題目】What is the way George thought of __________enough money to buy the house?
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【題目】—I have been worried about the possible danger of driving on a railway line. —Do not be afraid；God will ________ us.
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