A.retireB.scienceC.giantD.behind
A. retire
B. science
C. giant
D. behind
查看答案
The fisherman together with his sons always _________ a lot of fish.
A. catch
B. catches
C. catching
D. caught
_____
A. 回收站
B. 硬盘
C. 剪贴板
D. 软盘
A.ghostB.daughterC.taughtD.through
A. ghost
B. daughter
C. taught
D. through
_____
A. 环境模型视图
B. 实现模型视图
C. 结构模型视图
D. 行为模型视图