He was told that it would be at least three more months ___________he could receover and return to work. 

It is best to eat three meals a day; otherwise, it is possible____ your health will suffer later in life. 

_____ the English examination I would have gone to the concert last Sunday.

The time is not far away _______ the information will be made known ______ more workers will be trained for their jobs．

Now let me tell you the work I have been doing with them. My job with the UN is not paid, but voluntary and as I said _______, I mainly visit countries where the UN has programs to help people.