完形填空。
In England,the children ____1.____ around the tables.They sing songs ____2.____ morning.They play in the playground before nine o'clock.The school starts at nine o'clock and ____3.____ at half past three.In China, we sit in a row.We do ____4.____ exercises every day.We start our school ____5.____ eight o'clock.
( )1.A.sit B.sits C.sitting
( )2.A.very B.every C.next
( )3.A.finish B.finished C.finishes
( )4.A.morning B.noon C.afternoon
( )5.A.in B.at C.on