24.---“Wherehaveyoubeen?”
---“Igotcaughtintraffic;otherwise_____sooner.”
A.IwouldbehereB.Ihavebeenhere
C.IhadbeenhereD.Iwouldhavebeenhere
27.Itseemsasifit___rain.
A.willtoB.isgoingtoC.istoD.weregoingto
为什么选db不选ad