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THE FIRST PART OF THE TEST WAS EASY; THE SECOND, _...
THE FIRST PART OF THE TEST WAS EASY; THE SECOND, ________, TOOK HOU...
CONJUNCTIONS LI THUYET BAI TAP DAP AN
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21.
The first part of the test was easy; the second, ________, took hours.
a. therefore
b. but
c. so
d. however
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21.
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CONJUNCTIONS LI THUYET BAI TAP DAP AN