这是一个省去which的定语从句,a letter做定语从句的主语,排除B,选A Recently I've received a letter inviting me to pay a visit to a farm. 完整的为 Recently I've received a letter which is inviting me to pay a visit to a farm.
动词不定式是表示将来的动作。但是句子意思有改变。 选A后句子的意思是:“我收到一封邀请我去拜访一个农场的邀请信” 选B的意思是:“我为了去拜访一个农场而收到一封邀请信”(显然意思不合逻辑) 从语法的角度来看“a letter …… me to pay a visit to a farm”整个应该是一个整体。 所以inviting可以让这个句子变成一个整体,而to i...