for a long time after the operation,Linda found ________difficult_英语解答

for a long time after the operation,Linda found ________difficult to fall asleep
A this b,one c that d,it 选哪个,为什么

人气：145 ℃　时间：2019-11-01 10:27:39

解答

it
形式宾语,指代to fall asleep如果形式宾语IT主语不是要放在句子后面的嘛，主语是哪个啊，本人英语不太好，帮帮忙啊，谢谢主语是linda