At one time we had about eighty people here who did nothing but _____ into ho family history.A.to research B.researched C.researching D.research 请问是哪个答案,为什么呢我一直觉得应该是a,可答案给的是d..那什么时候有to 什么时候没有to呢
问题描述：
At one time we had about eighty people here who did nothing but _____ into ho family history.
A.to research B.researched C.researching D.research
请问是哪个答案,为什么呢
我一直觉得应该是a,可答案给的是d..
那什么时候有to 什么时候没有to呢
答
D
do nothing but do sth.
如果是某个具体动作,do sth.but to do sth.
例如,I did not go but to stay here.I did nothing but stay here.