Theflightwillleavein20minutes.Wewillnever____
A.catchB.missC.makeitD.fail
为什么呢
Here'sawaytoshowhowlargegrains____smallgrains.
A.separateB.separatefromC.divideintoD.apartfrom
求大神解释为什么选B.【自行想象GRACE的萌脸