The old tower must be saved, _______ the cost.
| A．however | B．whatever | C．whichever | D．wherever |
reminded
| A．respected | B．whispered | C．filled | D．practiced |
chemistry
| A．machine | B．touch | C．school | D．kitchen |
unite
| A．policeman | B．inform | C．terrible | D．tidy |
improve
| A．fond | B．lose | C．women | D．motor |
The number of traffic accidents caused by drinking is ____ as the number of those caused by non-drinking driving.
| A．as twice many | B．many as twice |
| C．as twice large | D．twice as large |