Smartphones, laptops and tablets are the modern devices __ have changed the way we learn.

It _______ half of your plate should consist of vegetables and fruits.

The doctor told him not to talk during the meditation.

Some modern couples organize their marriage and work out the tasks and duties, which may gradually turn their marriage into a business or ______ relationship.

Don't put off doing your homework until tomorrow. Do it right now, _____?

Unable to remember _____, he walked around the neighborhood looking for his car.

Choose the word /phrase that is CLOSEST in meaning to the underlined part in each sentence below

The USA is one of the most culturally diverse countries in the world.