Not until all the fish died in the river ________ how serious the pollution was.
| A．did the villagers realize | B．the villagers realized |
| C．the villagers did realize | D．didn’t the villagers realize |
— Do you play football after work?
— Yes, ________ . Playing football is not my favorite sport.
| A．more or less | B．once in a while | C．time and again | D．sooner or later |
These two areas are similar ________ they both have a high rainfall during this season.
| A．to that | B．besides that | C．in that | D．except that |
If Tim carries on working like this, he'll ________ sooner or later.
| A．break down | B．give up | C．get down | D．hold on |
All the doctors in the hospital insisted that he________ badly wounded and that he________ at once.
| A．should be; be operated on | B．were; must be operated on |
| C．was; should be operated | D．was; be operated on |
This crop does not do well in soils ________the one for which it has been specially developed.
| A．outside | B．other than | C．beyond | D．rather than |