_____explanation is necessary.
#19761
A
Farther
B
Further
C
Farthest
D
Furthest
推荐题目
 His failure made his father think him a ___________ boy.
#34832
A
disappoint
B
disappointed
C
disappointing
D
disappointment
It was very __________ of you to let us know you were going to be late.
#20570
A
considering
B
considered
C
considerable
D
considerate
Dracula and Frankenstein are_____film characters. 
#20749
A
frighten
B
frightened
C
frightening
D
frightenly