1:they will do the test well. they will review them all hard
⇒if they review them all hard,they will do the test well
2:the students will provide aids for the homeless people tomorrow
⇒aids will be provided for the homeless people tomorrow by the students
3:the people will portect the environment now. the environment will be nice
⇒if people protect the environment now,the environment will be nice
4:although the weather was bad, the football match was not canceled
⇒despite the bad weather,the football match was not canceled
5:the man had broken leg. he tried to save his wife
⇒in spite of his broken leg,he tried to save his wife
̉6:scientists have invented new devices to help people live a longer life
⇒new devices have been invented to help people live a longer life by scientists