He had decided to give it up, but on ____ second thoughts he decided to try ____ third time.
A. the, a
B. /, /
C. a, a
D. /, a
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---Excuse me, where are ____ books for biology? ---Follow me. They' re on this shelf. Do you want ____ new or used book?
A. a, a
B. a, the
C. the, a
D. the, the
---My son is lost. Did you see a boy passing by? ---I saw ____ boy hidden behind ____ tree over there. You may go and have a look.
A. a, a
B. the, the
C. a, the
D. the, a
Mary climbed to the top of the mountain in ____ hurry, looked down and found in ____ surprise that ____ whole town took on a new look.
A. a, the, the
B. a,/,the
C. /,/,the
D. /,/,a
In ____ old society many young women died by so curious and cruel ____ custom.
A. an, a
B. /, the
C. the, a
D. the, /