24. John had never been abroad before, ________ he found the businesstrip very exciting.A) becauseB) thoughC) soD) while A: because B: though C: so D: while
24. John had never been abroad before, ________ he found the businesstrip very exciting.A) becauseB) thoughC) soD) while A: because B: though C: so D: while
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