John told me that he ________ his best in the exam ________ A. would do / the day before B. had done / the following day C. will do / tomorrow D. would do / the following day18/50John told me that he ________ his best in the exam ________ would do / the day beforehad done / the following day will do / tomorrowwould do / the following dayGiải thíchChọn đáp án D