I think he's very old.说出意思在改为否定句

I think he's very old.说出意思在改为否定句 I think it's very funny是什么意思 I think maybe he's at school I think he is very old.(该否定句） I ---- -----he-------very old. Is he very happy Yes,I think ___填什么 I think Bill Gates is a very s------ businessman I think it's very well drawn是什么句式 I think it's he‘s book .改正 i think very boring I HOPE THAT THE Valentine's Day WILL BE VERY HAPPY!BUT i think he will forget that 有语法错误么 It's very hot,I think中I think在句子中分别是什么成分? I think he is _______younger than before.A、very B.very much C.much D.many He plays the piano well.His parents think he’s very _______(music). I think I am very There’s a man at the reception desk who seems very angry and I think he means ________ trouble.A) makingB) to makeC) to have madeD) having make There's a man at the reception dest who seems very angry and I think he means_1.making;2.to make;3to have made;4having make 同义句转换：I think maybe he's at school I'm ( ) he's at school I think he's at home.(否定句)