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THEY FOUND IT IMPOSSIBLE ______ THEIR PROBLEMS.A....
THEY FOUND IT IMPOSSIBLE ______ THEIR PROBLEMS.A. SOLVE B. TO SOLV...
5 DE THI TRAC NGHIEM
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30. They found it impossible ______ their problems.
a. solve b. to solve c. solved d. solving
B. Identify the one underlined word or phrase that must be changed in order to make the sentence
correct.
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5 DE THI TRAC NGHIEM