X. Rewrite the sentences belowto have the same meaning as the sentences printed before them.
1. The boy is very handsome.
-> What .................................................................................................................................................... !
2.Our sources of energy will soon end if we don’t try to save them.
-> Unless ....................................................................................................................................................
3.This is the most intelligent girl I have ever met.
-> This is the first time................................................................................................................................
4. It is not necessary for you to do that work. ( need)
-> You don’t ..............................................................................................................................................
5. He started studying English when he was 5.
-> He has ...................................................................................................................................................