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题目类型:[单选]
[单选] John________he could improve his exam results, but he did not have enough time to study.
A
knows how
B
knows that
C
knew how
D
knew that
查看正确答案
正确答案:
试题难度:
参考解析:
考时态和连词。根据从句可判断为过去时,排除选项A和B。how表示如何,符合题意。选项C是正确的。【句子大意】约翰知道如何提高考试成绩,就是没有足够的时间学习。
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