It,s time( )have our Engglish class.填上副词或介词

It,s time( )have our Engglish class.填上副词或介词 同义句 It's time to have our English class. it's time（）begin our class. It''s time to starts our class. 用适当的介词或副词填空1.we begin our class(填什么)8 o'clock it's time ( ) music class怎么填 It's dangerous to swim _____ at sea.这里应该填什么介词或副词? I can't use my office at present,it's ____.填一个介词或副词. It`s too noisy. Please turn it___.(填介词或副词） Have you ever littered _________ things.(填上介词或副词) 填介词Let's start our class( ) an English song. they usually have a rest ( ) lunch 填介词或副词