There might be life on other planets, but so far scientists haven’t found enough _____ to prove it.

 The selfless village doctor treated whoever came to his family without any_   _.

They discussed the issue of the world’s climate in Durban, South Africa several times but could come to no ________.

It was a great _____ for him to be pleasant to people he didn’t like.

Walking down the street, she noticed a long _____ of houses, all exactly alike.