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According to a new study by a British university, learning __________ second language can lead to __________ increase in your brain power.

According to a new study by a British university, learning __________ second language can lead to __________ increase in your brain power.

A．a(chǎn); the            B．a(chǎn); an             C．不填; the          D．the; an

According to a new study by a British university , learning        second language can lead to        increase in your brain power .

       A．a(chǎn) ; the      B．不填; the        C．a(chǎn); an  D．the ; an

According to a new study by a British university, learning ____ second language can lead to ____ increase in your brain power.

A. a; the         B. / ; the        C. a; an          D. the; an

According to a new study by a British university, learning ____ second language can lead to ____ increase in your brain power.

A. a; the         B. / ; the        C. a; an          D. the; an