. CHOOSE THE BEST ANSWER TO COMPLETE THE SENTENCE

13) - KIEM TRA 1TIET 12NC SO 2
KIEM TRA 1TIET 12NC SO 2
13). Choose the best answer to complete the sentence:" She will be ill . . . .. "A). provided she takes a rest for a few days.B). in case she takes a rest for a few days.C). if she takes a few days' rest.D). unless she takes a few days rest.