The scientists were trying to look for all possible _______ as to where this species came from.
#5295
A
signals
B
marks
C
clues
D
spots
推荐题目
According to this survey, some TV programmes should take _________ for teenagers’ negative behavior.
#5175
A
influence
B
responsibility
C
credit
D
explanation
The _______ are ten to one that we’ll win the match.
#7150
A
opportunities
B
possibility
C
chances
D
ability
On Saturdays, students are very proud to be on the street to guide passers-by to obey traffic rules.
#5159
A
characters
B
volunteers
C
operators
D
graduates
Linda gave us a vivid of her trip to Mount Lu shah after her return．
#6294
A
account
B
explanation
C
imagination
D
idea