I asked a simple question & i was expecting a fair answer,from people with knowledge.but i ended up
with a bunch of fools,jealous,& ignorant people who have no knowledge about the law of immigration,
please do us a favour do not jump to answer a question unless you know the answer.
for people who have the same problem, here is the answer from the official web:
http://www.cic.gc.ca/english/information/faq/immigrate/sponsor/spouse-faq03.asp