问题详情:
You should understand the math problem now, you have had it ________three times.
A. explaining B. to explain C. explained D. explain
【回答】
C
知识点:相似 相近词比较
题型:选择题
问题详情:
You should understand the math problem now, you have had it ________three times.
A. explaining B. to explain C. explained D. explain
【回答】
C
知识点:相似 相近词比较
题型:选择题