“Come on. I want to show you something.” “Oh, how nice of you! I ____ you ____ to bring me a gift.”

A．never think/are going

B．never thought/ were going

C．didn’t think/ are going

D．hadn’t thought/ were going

鼠疫的特点包括（）

A.疫苗能有效地预防鼠疫

B.鼠蚤是重要的传播媒介

C.可经皮肤接触及血液传播

D.人间鼠疫流行前，先有鼠间鼠疫

E.可反复感染腺鼠疫