At the meeting they discussed three different _________ to the study of mathematics.

s believe that land that is becomingdeserts ________ the size of Australia, Russia and the United States puttogether

The doctor recommended that you _____ swim after eating a large meal.

TheideapuzzledmesomuchthatIstoppedforafewsecondstotryto________

With my homework ________, I can’t help my mother do some housework.