Rewrite the sentences below by putting conjunction in a different position.
1.Jack has failed his driving test despite all his efforts.
2.In spite of the fact that she couldn't speak Chinese,Mary still went to China to study.
3.Robert still feels tired even though he slept 12 hours last night.
4.In spite of the expensive airfare,onboard services were extremely poor.
5.Although I have washed them three times,my shoes are still dirty.