______is very difficult

______is very difficult
1.____is very difficult.A.lesson fifth B.the lesson fifth C.fifth lesson D.the fifth lesson 2.What events do you have _____ your school 3.Our school has a sports meeting _____ October 15th.4.They huav English speech contest ____ each year.5.There is a big cake in the middle of the_____ 6.Marie gets _____gifts _____her friends.