A big step _____ to strengthen China's health care systems since we launched an effort in 2008.A big step has been taken to strengthen China's health care systems since we launched an effort in 2008.翻译

A big step _____ to strengthen China's health care systems since we launched an effort in 2008.A big step has been taken to strengthen China's health care systems since we launched an effort in 2008.翻译 A big step _____ to strengthen China's health care systems since we launched an effort in 2008.A.has been takenB.is being takenC.was takenD.had been taken It钬焥 hard for us to make a choice,which means we have not decided _____.A.to take a step B.to take which step C.which step to take D.to take what do this step by step because a big dreamdo this step by step because a big dream is grouped by,in fact,many small 请问Life should be a big step forward a step up in the big business world什么意思? step-to-step variability It _____ a big noise. he wants to buy a big house _____ a big garden. A、has B、and C、in D、with 职一年级英语练习册U7Beijing will ban smoking in most _____ places starting from May1-----a big step toward tobacco control in a nation of 350 million____.The capital will be the first to ban smoking in all restaurants,offices and schools,bar make a lifetime step to your country move a step closer to...的意思? His father is going to buy a big house with tne money.(改同义句)His father is going to ______the money _____ _____ a big house. _____ my dream to have a big house.A.I haveB.InC.It'sD.It has The box is _____ to _______.The box is _____ to _______.A.big enough;put my shoes B.enough big;put my shoes inC.big enough;put my shoes inD.big;put shoes in step.to.step 英文是什么意思. She has a big comfortable house _____ _____ _____. They plan _____ （have）a big party to celebrat their daughter's thirteenth birthday.