Be careful,_____ you'll miss the right answer A and B or C b

Call a taxi,() you 'll be able to catch the train.A.or B.and Take a taxi,____ you'll miss your train. A.or B.otherwise C. You'll miss the deadline.Time is _____.A.running out B.going Be careful _____ the street.A.crossing B.cross C.across D.to Be careful!Don't cut _____ with the new Knife.A:you B:yourse start out right away,___ you will miss train.A.and B.but C.o ___ careful when you cross the road. A. Do B. Do be C. Is D. Please ( ) the steps as you go in .A.be careful.B.look out.C the boy is looking left,() right A.then B.after C.and D.or Work hard,_____you'll fail in the exam.A.although B.and C.or Are you _ the answer to the question?A.sure B.sure to be C.s She 'll be ____ next time A more carefully B more careful C