仿照例词写单词
问题描述：
仿照例词写单词
health-healthy ___ ___ ___ ___
help-helpful ___ ___ ___ ___
shop-shopping ___ ___ ___ ___
happy-unhappy ___ ___ ___ ___
答
wealth wealthy
waste wasteful think thinkful
market marketing time timing
pleasant unpleasant healthy unhealthy