THE BOY IS INTELLIGENT . HE IS HARDWORKING, TOO. (BOTH ... AND) .....

22. - BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957
BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957

22. The boy is intelligent . He is hardworking, too. (both ... and)

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