She ____________this book since nine o’clock this morning.a.is reading c.was readingb.has been reading d.have been reading

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She____________thisbooksincenineo’clockthismorning.a.isreadingc.wasreadingb.hasbeenreadingd.havebeen

She ____________this book since nine o’clock this morning.a.is reading c.was readingb.has been reading d.have been reading
She ____________this book since nine o’clock this morning.
a.is reading c.was reading
b.has been reading d.have been reading

She ____________this book since nine o’clock this morning.a.is reading c.was readingb.has been reading d.have been reading
B 自早九点一直在读
请及时采纳,多谢!

She has been reading this book since nine o’clock this morning.
从早上九点开始她一直在读这本书。

B

B

b. has been reading
完成进行体强调一直在读,she是单数第三人称,所以要用has而不是have
从早上九点到现在,她一直在读这本书。

has been reading 表示从早上九点到现在一直都在读这本书

应该选B
since 是“自从”。句子的意思是“她自从今早九点就一直在看这本书。”应该用现在完成进行时表示“从那时一直到现在还在看”。