Neither he nor_____have finished the experiment.
A she B her C me D I (用啥格阿...晕了

Road accidents are____to happen in such snowy weather.
A able B likely C impossible D hardly     (A和B有什么区别的?

The person___the songs can speak seven languages.
A translated B translating C to translate D translate (完全看不出时态..

More than fifty years____since they got married.
A have passed B has passed C passed D had passed (跟since有关?