We had to walk home that night, tired , on account of , to our disappointment, __________．
A．there not being buses B．there not having buses
C．there were no buses D．there had no buses
—Thank you for your coffee．
—But you________ it．
A．didn’t drink B．aren’t drinking
C．don’t drink D．hadn’t drunk
Lily seems to know a lot about Hong Kong, but she has never been there．
A．typically B．normally C．actually D．naturally
We all know the truth there are air, water and sunlight there are living things．
A．where B．wherever C．that D．that wherever
＿＿ her hair getting gray, she has decided to have it dyed．
A．As B．For C．With D．Though
The invention of artificial hearts marked a turning point in the battle heart disease．
A．among B．for C．against D．between
