People complain that decisions to approve or deny a permit are often ______ rather than based on fixed criteria.
| A．appropriate | B．conscious | C．arbitrary | D．controversial |
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 |