Only through experiences of trial and suffering _____, and success achieved.

Have you _____ your things, Bob The train is leaving at 2:30 this afternoon, so we don’t have too much time.

____his great love for the works of JKRowling, he has a broad range of interest in other English writers as well　　

There is even an animal whose tail will _____ so that it can run away if someone grabs it.

The officer insisted that Michael didnot follow the correct ________ in applying for a visa.