侧腭杆与龈缘的关系（）

A.离开1～3mm

B.离开4～6mm

C.离开7～10mm

D.离开11～15mm

E.与龈缘接触

—"          much rain yesterday?              

—Yes, there was.              [ ]

A.There was  

B.Was there      

C.There were    

D.Were there