题目内容
My toothache me. I thought it was going away, but it is getting worse now.
| A.kills | B.is killing | C.has killed | D.killed |
B
考察时态,结合下文时间状语.可知本句叙述的是正在发生的动作,故选B.
练习册系列答案
相关题目
题目内容
| A.kills | B.is killing | C.has killed | D.killed |