1.单选题- (共1题)
1.
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
A.explains ; to | B.has explained ; for | C.has explained ; to | D.explained ; with |
2.选择题- (共1题)
试卷分析
-
【1】题量占比
单选题:(1道)
选择题:(1道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:1
7星难题:0
8星难题:0
9星难题:0