https://www.ldoceonline.com/dictionary/require可以看一下#2 以及文法的部分!以考试取向的话,这题是Ving and Vpp二选一,但require字典说不会用在进行式!我觉得应该是形容词子句简化:bank statement (which is) required (by sb) topurchase a new house....银行对帐单是被(某人某事)要求附上的,以便于(得以)购买新房....
https://www.ldoceonline.com/dictionary/require可以看一下#2 以及文法的部分!以考试取向的话,这题是Ving and Vpp二选一,但require字典说不会用在进行式!我觉得应该是形容词子句简化:bank statement (which is) required (by sb) topurchase a new house....银行对帐单是被(某人某事)要求附上的,以便于(得以)购买新房....