I sent a letter to you last month.(改为被动语态)

　　A letter ____ ____to you last month.

The girl is so young that she can't go to school.(改为同义句)

　　The girl is ____ young ____ go to school.

“Are you going to watch the football match next Sunday?”Father asked me.(改为复合句)

　　Father asked me ____ ____ ____ going to watch the football match next Sunday.

Jack's grandfather doesn't know how he should use a computer.(改为简单句)　　

　　Jack's grandfather doesn't know how ____ ____ a computer.

Allan Went to play football with his friends at once after he finished his homework.(改为同义句)

　　 ____ ____ ____ he finished his homework,Allan went to play football with his friends.

She went to school at the age of five.(改为同义句)

　　She went to school ____ she ____ five.

The Olympic Games are held every four years.(对画线部分提问)　　

　　____  ____ are the Olympic Games held?

What delicious cakes!(改为同义句)

　　 ____ delicious the cakes ____!

Why don't you try some music that you can dance to?(改为同义句)

　　____ ____ try some music that you can dance to?

You had a very good vacation,____ ____?(完成反意疑问句)