问几道英语单选题
答案已给出,请求分析!
1.--Don'tskateonthelake!
--whynot?Isn'titthickenough__A____?
A.toskateB.toskateon
2.--Therearetwobooksontheshelf.OneisinEnglish,___A____isinChinese.
A.theotherB.another(有可能是another,书上多了一个空格)
3.Lilyisoftenheard_____B______inherbedroom.
A.singsB.tosing
4.EitheryouorI______B_______goingtoattendthemeeting.
A.isB.am
5.--Whatareyoudoingnow?Pleasejoinusinthegame.
--Sorry,Iamsobusynow.IfI_____A____time,I_______joinyou.
A.had;wouldB.have;would
6.Thechildren___B.____inthehospital.
A.weretakengoodcareB.weretakengoodcareof
7.Theydon'tknowwhichroom______B____.
A.toliveB.tolivein
8.--Doyouthinkthisbookcanbeasuitbalepresentformydaughter?
--It'sinteresting.____A____itiseasyenoughforasix-year-oldchildtoread.
A.ButB.And