38. There is a dog over there. Look out. Be careful!A. it was runningB. runs itC. it runs

问题补充：

38. There is a dog over there. Look, out. Be careful!

A. it was running

B. runs it

C. it runs

D. ran it

答案：

A. it was running

B. runs it

C. it runs

D. ran it

解析：