Complete the second sentence so that it has the same meaning as the first one. Use no more than four words

Complete the second sentence so that it has the same meaning as the first one.Use no more than four words 1.I can't use the internet very often because i don't have much time
--> I don't have much time,......the internet very often
2."What will you do to improve your English? " ,my teacher asked me
--> My teacher asked me...to improve my english
3.You have to finish your homework before going to school
-->Your homework...before going to school
4.Unless she waters this tree,it will die
-->If....this tree,it will die