问题补充:
I found difficult to work out the problem.
A it’s B this C that D it
答案:
解析:D found 说明句子是一般过去时,而it’s是it is或it has的缩写。故不是宾语从句,不选A。句型find it +adj. To do sth.“觉得做某事怎么样”。
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