A: “I have passed my driving test.”

B: “_________ ”

A. No worries     

B. Good luck       

C. Bad luck         

D. Congratulations

I brought my television to the TV repairman yesterday to have it _________

A. to repaired     

B. repaired 

C. repairing         

D. Repair

Xét dấu tam thức bậc hai: x2 + 12x + 36