2019年6月大学英语四级作文加分句型：表示建议

　　1.You should take advantage of this opportunity and try to make a good impression on them

　　2.Greater efforts are needed before we can attain our goal of economic reform

　　3.A country should protect its resources by fighting against waste

　　4.If we concentrate our efforts on improving quality，our products will certainly be more competitive on the world market.