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The house caught ______ fire while they were away. It must have been set ______ on fire by someone.
A.a; a | B.a; / | C./; a | D./;/ |
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.
The house caught ______ fire while they were away. It must have been set ______ on fire by someone.
A.a; a | B.a; / | C./; a | D./;/ |