As we all know, the functions of our skin are very        .
#19182
A
complex
B
simple
C
brief
D
tight
推荐题目
 —How is your father?—He’s fine. He’s______ to play tennis every Sunday.
#20646
A
enough active still
B
enough still active
C
still active enough
D
still enough active
I found him sitting in his chair, completely _____a magazine.
#19147
A
absorbing
B
being absorbed in
C
absorbed in
D
absorbing in