Beijing's first unmanned subway trains, which can run ______ without the control of any drivers, are expected to be put into operation next year.
| A．regularly | B．deliberately |
| C．automatically | D．desperately |
Tom is an aggressive but easygoing person, will succeed whatever career he chooses.
| A．the one who | B．one who | C．the one | D．one |
----- Believe it or not, my sister and I are twins.
----Oh, you must have had the case ________ you were taken for your sister.
| A．which | B．whose | C．where | D．whom |
_____ you are in a speech contest or you are giving a talk in class, a little preparation will make your presentation organized and dynamic.
| A．Either | B．On condition that | C．No matter | D．Whether |
Best-selling author and race car driver Han Han offered a 20 million RMB reward to _____ could prove his works were ghostwritten (代笔).
| A．no matter who | B．whoever | C．who | D．whomever |
--- Do you feel like _______ there or shall we take a bus?
--- I’d like to walk, but since there isn’t much time left, I’d rather we ________ a taxi.
| A．to walk; take | B．walking; took | C．to walk; took | D．walking; take |