______ you come across some new words, don’t refer to your dictionary at once but guess their meanings according to the context. 

As a saying goes, the wise man knows he knows nothing, _________ the fool thinks he knows all.

—Have you been to New Zealand?—No. I’d like to, ____________

_____ the police thought he was the most likely one, since they had no exact proof about it,they had to set him free.

It was only when I reread his poems recently__________ I began to appreciate their beauty.