make use of ...是属于及物动词短语,后面的of是介词呀,已经接了介词of 的宾语new machines//her hands 嘛,再接to produce....//to make money...的不定式表示的是目的“为了做...//来做...”。 另一个列子:Do you know what use that peaple in the past __________ stones ?--- Yes,to make fire A.were made of B.were made C.make of D. made of 答案是 D