We should spare no effort to protect our

______ the importance of English, we should put more effort into it and try to learn

_____great efforts, we failed to carry our plans through.A．As a result ofB．Apart fromC．Owi

We should not sacrifice environmental protections to foster economic growth.A．reduceB．prom

Henry spares no effort to get two tickets for the concert held at the Sports Centre. _____

Wed like to award scholarships to those who spare no effort and make great improvement in

_____, I will spare no effort to persuade him to go abroad for further study.A．Though hard