高三英语单选,1---What‘wrongwithman?---______fromschoolfornothinghasmadehimmad.A.HissonisabsentB.HissonbeingabsentC.Hisson'sbeingabsentD.Hisson'sbeingabsence2---______Beijingisaverybeautifulcity.A.Itisknowntoa

　　高三英语单选,

　　1---What‘wrongwithman?

　　---______fromschoolfornothinghasmadehimmad.

　　A.HissonisabsentB.Hissonbeingabsent

　　C.Hisson'sbeingabsentD.Hisson'sbeingabsence

　　2---______Beijingisaverybeautifulcity.

　　A.ItisknowntoallthatB.Asiskonwntoall

　　C.AsitisknowntoallD.Aswekonwit

　　3Shespentasmuchtimeasshe_____thepoor.

　　A.couldtohelpB.couldhelping

　　C.wasabletohelpD.wantedtohelp

　　4AlltheHarryPotterbooksbyJoanneRowling,apoorsinglemother______inEdinburgh,______allovertheworld.

　　A.lives;arewellsoldB.lives;sellgood

　　C.living;sellwellD.living;arewellsold

　　答案分别是CABC我需要详细的解析.