Oh,it 's time for class .I must_____________

Oh,it 's time for class .I must_____________ It's time for class. Oh it's not [ ] for class A.time B.place C.hour It‘s time for class lucy 用math time class it`s for It's time for class.Please l________ it's time for English class. Hurry up! It's time for class. Oh,it is time for class的中文 It's time for the English class.和It's time for English class it's time to English class还是it's time for English class it's time for class(改为同义句) it's time?class.