It's said that________ scientist is going to give us a lecture.
I really appreciate ____ time to relax with you on this nice island.
John thinks it won’t be long _____ he is ready for his new job.
_______, you will get used to the life here and have your understanding of life.
In ____, he began to learn Russian, when he was in ______.
Nowadays, no single country can successfully ____ the global problems alone.