His efforts to improve the sales of this product have been very(help)_为什么

Efforts to Efforts to pay Efforts to pursue better His efforts to improve the sales of this product have been very(help)_为什么 the teacher take great ——to make his lessons easy 为什么填steps 而不是efforts He devoted all his efforts __ children.A.to educating B.educate C.education D.to educational 这句英语 all his efforts to escape where to no avail.Suddenly he was trapped by monsters and all his efforts to escape where to no avail.后面这句all his efforts to escape where to no avail.朋友说是native english?我不得其解呀 ^^ make efforts to怎么用 In order to target efforts. Efforts to create a better 英语翻译In spite of all my efforts not to appear too nervous,I could nothelp moving my eyes to and fro in response to his harsh words. 英语翻译The environmental activist intends to step up efforts in raising awareness about the threat of global warming ,a cause close to his heart. make persistant efforts to reach the Efforts to hide their ·· CPC efforts to fight corruption 翻译 Efforts to the struggle for tomorrow Efforts to bring about successful projects是什么意思 英语翻译We are sparing no efforts to create a more peaceful and more advanced world,a place where everyone enjoys his life and freedom.