He had a little_____with math last year, but it’s a lot easier for him now.

A
difficult

B
trouble

C
issue

D
hard
出自:江苏开放大学大学英语A作业3

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
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