Air is________and of no smell but we can feel its motion when there is a wind. 
#19675
A
unavoidable
B
unavailable
C
unaccessible
D
invisible
推荐题目
一What color is her jacket?          一It’s _______.
#34838
A
an orange
B
orange
C
the orange
D
a orange
The ______ look on the student’s face suggested that your ______ question made him ______.
#18341
A
puzzling; puzzled; puzzled
B
puzzling; puzzling; puzzled
C
puzzled; puzzled; puzzling
D
puzzled; puzzling; puzzled
She has bought herself ______ dress
#18309
A
a cotton purple expensive
B
an expensive purple cotton
C
a purple expensive cotton
D
a cotton expensive purple