应该是:"This summer is very boring" "This summer is very delightful"表示这个夏天令人很开心,这个夏天令人很快乐.如果要把夏天看成一个人或者一个事物,要说这个夏天它自己很无聊很快乐.应该是"This summer is very bored" "This summer is very delighted"
