It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.                                      (2012·湖北,29)
#10994
A
symptom
B
similarity
C
sample
D
shadow
推荐题目
The little boy wishes to be ___.
#14540
A
a Lei Feng
B
the Lei Feng
C
Lei Feng
D
an Lei Feng
We always keep ____ gas in case we run out.
#14319
A
a great number of
B
plenty of
C
much too
D
a good many