同义句转换啊,谁来帮我（初二上）

同义句转换啊,谁来帮我（初二上）
1.TOM isn't old enough to dress himself＝
2.The teacher asked me to clean the classroom.=I ______ ______ ______ _______ the classroom by the teacher.
3.TOM is old enough ___ ___ ___ ___ himself.=Tom is old enough ___ ___ ___ ___ himself.
4.Reading in the Sun is bad for our eyes.
=___ ___ bad for our eyes ___ ___ in the Sun.
5.Why not try another time
=___ ___ ___ try another time?
第3．应该是3.TOM is old enough to look after himself.=Tom is old enough ___ ___ ___ ___ himself.