We ______ speaking English at the English corner to improve our spoken English.
--- What smells terrible, Ted?--- I’m sorry. I’ll ___ my shoes and wash them at once.
--- What’s your family rules? --- We shouldn’t talk ____ food in our mouths while having meals.
--- What’s the matter, Mary? You looked upset.--- I failed again in my math exam. I’m really sorry because I don’t want to ____ my parents down.
--- Do you have any plans for this weekend?--- I’m not sure. I _____ go climbing Mount Baoshi.
The world’s population is growing ______, and there is ____ land and water for growing rice.