He ___ ___ there before nine o' clock.

He ___ ___ there before nine o' clock. He ___(start) lessons at nine o'clock. back before nine o’clock. we must get there before 7 o'clock.that's ___ we have to sta he insisted that we ___(be)back before 10o'clock The English class begins at nine o'clock.句型转换同义句___ ___ ___ he has to be ____ bed ___ nine o'clock A、at;at B、to;by C、in; he usually _____ ____(做完)his homework before nine o'clock 填什 he has to get home before nine o'clock改否定句 I DON`T EXPECT THAT HE`LL COME BACK BEFORE NINE O`CLOCK,A.DO They ___(have) a meeting at nine o'clock last night I am going to UK on holiday.The plane ___ at nine o'clock. 用