1.Jack went to school at 9 'clock yesterday.(改为同义句)
1.Jack went to school at 9 ’clock yesterday.(改为同义句）
Jack——go to school ——9 o’clock yesterday.
2.You should write him a letter.(改为同义句）
You should —— —— ——.
3.The boy is too young to go to school.(改为同义句）
The boy is—— young —— he can’t go to school.
4.Some children are practicing sports.They can compete and win.(合并 为一句）
Some children are practicing sports —— —— they can compete and win .
5.To have too much pressure is not good for a child .(改为同义句）
——not good for a child ——　——too much pressure.