标题: OG12 62 [打印本页] 作者: clumsy123 时间: 2011-4-9 19:37 标题: OG12 62 When Congress reconvenes, some newly elected members from rural states will try and establish tighter restrictions for the amount of grain farmers are to be allowed to grow and to encourage more aggressive sales of United States farm products overseas. (A) and establish tighter restrictions for the amount of grain farmers are to be allowed ti to grow and to encourage (B) and establish tighter restrictions on the amount of grain able to be grown by farmers and encouraging (C) establishing tighter restrictions for the amount of grain farmers are allowed to grow and to encourage (D) to establish tighter restrictions on the amount of grain capable of being grown by farmers and encouraging (E) to establish tighter restrictions on the amount of grain farmers will be allowed to grow and to encourage
答案是E没问题啦，我只是不太明白C选项，try doing和try to do有啥区别么？ OG的解释是try doing没有表现出intent和purpose。。不太明白，求解释！作者: sorcerer 时间: 2011-4-9 19:52
to do 表目的~~~ try doing 尝试着做 try to do 尽力去做作者: clumsy123 时间: 2011-4-9 19:54