According to the situation, they found three different ______ to the problem.

Although we had told them not to keep us waiting, they made no _________ to speed up deliveries.

 –What’s the matter, doctor? --Nothing serious. Take the medicine according to the ______.

Please don’t ask me to solve mathematical problems; they are beyond my ____.

The article gives several ______ about why we should build up the harmonious society.