I won't go home ______ the rain stops.( )
since
so
until
The earth will be more and more beautiful if everyone his best to love it.
Jack may fall behind the other students in his class when he _________ back from England next week.
Lily ________ other colours ________ blue, green and yellow.
He will send me a message as soon as he _________ in London.
Nobody ______her because she has a new look.