I have had thousands of classes since I started school nine years ago.

I have had thousands of classes since I started school nine years ago. I have had thousands of classes since I started school nine years ago完型阅读答案 People have had pet dogs for thousands of years. 翻译 I have had it. i have had和 i had had 有什么区别? 英语语法.1·we would have won if we had had thousands of fans screaming.请帮忙分析一下句子用的是什么时态,为什么有两个had?还有would have won 是would have done 2·I realized that i forgot to lock the classroom due to carele this time i have had I have already had found I have thousands of classes sine I started school nine years ago. 1.I would have been glad to attend his birthday party,but____.A.I'm not invited B.I have not been invited C.I was not invited D.I had not been invited2.Thousands of people took part in the work when Tian'anmen Square_____.A.would be built B.was build 1.Never in my life such a thing.A.I have heard of or seen B.I had heard of or seenC.have I heard of orseen D.did I hear of or seen2.Only when thousands of flowers bloom together .A.spring will be considered here B.could spring be considering hereC.ca I have already had lunch 是什么结构 Shit,I have had enough of it! i have never had such__(taste)food Shit,I have had enough of it! whatdid you have for dinner?i had? i have had it up to I have had an early night