I have been occupied for the last weeks to pay you a vist 请问 TO

I have been occupied for the last weeks to pay you a vist 请问 TO I have been occupied for the last weeks to pay you a vist句子里面的TO 虚拟语气具体用法i would have gone to visit him in the hospital had it been at all pollsible ,but i fully occupied the whole of last week A.were B.had been C have been Dwas i would have gone to visit him in the hospital had it been at all possible,but i__fully occupied.A were B had been C have been D was i would have gone to visit him had it been at all possible,but i __ fully occupied last week.A.was B.had beenhad it been是虚拟if 省略的倒装吗? I keep myself occupied. be occupied with 、、嗯、现在完成时当然是说“have/has been occupied with”,那个、这里的“have/has”是不是表是完成呐、那个“been”又是什么意义啊?还有、现在完成进行时“have/has been doing”、那 一道英语单选题,Had I had the time .I _______you .but I _________really occupied the whole week .A.would help ,had been B.would have helped ,was C.helped .have been D.should have helped ,must be 应该选哪个?为什么? I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. 一题英语单项选择求解!英语单项选择 语法Had it been possible,I would have have gone to attend Monica in the hospital,but I ( ) fully occupied last month.A.had beenB.wasC.amD.have been问题主要是在A、D项 一道英语选择题（3.2）I ___ to see a movie had it been at all possible,but I ___ fully occupied the whole of last week.A would have gone,wereB went,had beenC will go ,have beenD would have gone,was请问这个选哪个?请分析一下语法 1,--Today,are you free now I have a favor to ask of you.--_____A It is a pleasure B Go ahead C Help yourself D Ask,please2,Had it been at all possible I would have gone to visit him in the hospital,but I ___fully occupied the whole of last week.A am