. People have always been_______about exactly how life on earth began.
#19892
A
curious
B
excited
C
anxious
D
careful
推荐题目
．You should take __________ measures to avoid danger when doing exercise.
#17615
A
adequate
B
adaptable
C
immediate
D
entire
I don't think this question is worthy ____.
#20365
A
to consider
B
to be considered
C
considering
D
of considering
It isn’t quite ___ whether the Tibetan antelope is still being hunted.
#18664
A
certain
B
sure
C
safe
D
careful
From his _______expression, we can guess that the problem maybe was quite _______.
#18828
A
puzzled ; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling