A. cleaning B. writing C. drawingD. exercising

Write your name on the front cover of the exercise book.（英译中)

屏幕显示“Write protect error”信息，其含义是（）。A.写磁盘错误B.磁盘损坏C.磁盘写保护D.磁盘读错

Cycling is a good exercise. ____, it doesn’t pollute the air. A. But B. Therefore C.

Let’s clean our room; mother will be back _______. A. in a minute B. for a minute C

ZXAN#write该命令将同时保存（)SCXM（)A.主备用B.线卡C.主用D.备用

Regular exercise can you against heart disease. A. fight B. protect C. keep D. support