The teachers have holidays and lots of time.A. long busyB. short freeC. long freeD. s

问题补充：

The teachers have holidays and lots of time.

A. long, busy

B. short, free

C. long, free

D. short, long

答案：

A. long, busy

B. short, free

(答案→)C. long, free

D. short, long

解析：long长的 busy忙碌的free空闲的short短的，只有C选线符合句意。