He was disappointed that his plan did not .

In the film Murder in a Country House， a doctor is found _______in the house， so the film is _________horror and mysteries.

When people move to another country, they often try to________ the customs of their native land.

The old couple have been married for 40 years and never once ____with each other.

, set down the result of the experiment,______– Oh, yes, but I need to find my pen first.