读短文，用所给动词的适当形式填空。 On the afternoon of May 28th, there was a car accident on Nathan Road. As a result, the road was blocked (阻塞). The two drivers 1______ (quarrel) at that  time and both of them said that the other was wrong. However, the other drivers were not interested in  2______(know) whose fault it was; they were waiting impatiently and just wanted to be able  3______ (leave). Finally someone called the police. Two policemen soon arrived. They cleaned the road immediately and tried to control (控制) the traffic. Then the police took the two drivers to the police station. The two drivers also had  4______ (take) the alcohol (酒精) test. Fortunately, they did not drink any alcohol before  5______  (drive). Otherwise, the result would be more serious!