When they asked me to make a speech，I was at a loss for words.（）

单项选择题The gift was from an anonymous person.（）

A．ignored
B．unremembered
C．unrewarded
D．unnamed

单项选择题John boasted that he could finish the job all by himself in no time.（）

A．very rapidly
B．in time
C．on time
D．at any moment

单项选择题It is imperative for the Chairman to look into this master personally.（）

A．necessary
B．urgent
C．useful
D．impossible

单项选择题“I really think there must be something rather fishy somewhere,don't you”（）

A．smelling of fish
B．tasting of fish
C．suspicious
D．delicious