犬表皮下缝合时,缝针要刺入( )。
A.表皮
B.真皮
C.角质层
D.皮下组织
E.皮下脂肪
参考答案:B
He had an accident ______ to work and was badly injured.
A.driving
B.driven
C.to drive
D.drove
单项选择。
would you like? [ ]
A. How
B. What
C. Where
D. How old