Knowledgeable as he is, the expert was unwilling to offer advice to ______ he thought was not qualified.
| A．whoever | B．who | C．whom | D．which |
Ivy told Nancy that she what she was doing during the vacation.
| A．was just asked | B．was just asking | C．had just been asked | D．had just asked |
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 |