IAN WAS NOT USED TO DOING SUCH STRENUOUS TRAININGHABITIAN WAS ……….....

6. - BAI TAP VIET LAI CAU CO DAP AN THI DAI HOC
BAI TAP VIET LAI CAU CO DAP AN THI DAI HOC
6. Ian was not used to doing such strenuous trainingHabitIan was ………..strenuously Not in the habit of training so