高二英语,求助!今晚就要!
请大家解释一下为什么选择这个答案
1)---Ifyouhavetimetonight,I'dliketoinviteyoutoaball.
---That'sniceofyou,butareyou________?
A.freeB.carefulC.seriousD.true
(答案为C,为何不能选A)
2)IdroppedinonMrsSimthyesterdayevening.shedidn'tlook_______,butsheinsistedshewasgettingonallright.
A.asworriedaseverB.ashappyasusual
C.happierthanusuallyD.ashappilyasusual
(答案为B,为何不能选C)
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