题目内容
| He often tells the children _____ when they play water sports. |
A. be careful B. to be careful with C. to be careful D. not be careless |
试题答案
C
相关题目
题目内容
| He often tells the children _____ when they play water sports. |
A. be careful B. to be careful with C. to be careful D. not be careless |
试题答案
C