“If you’re walking down the right path and you’re willing to keep walking,_____ you’ll make progress”, said the president Obama.

 Our bodies are strengthened by taking exercise.  ________，our minds are developed by learning. 

Jack had to call a taxi because the box was _______ heavy to carry all the way home.

Jim went to answer the phone. _____ , Harry started to prepare lunch.

At first, we didn't know about Tom. But ____, we came to know that he was an honest boy.