－I've read another book this week.－Well maybe ＿ is not how much you read but wgat you read that

－I've read another book this week.－Well maybe ＿ is not how much you read but wgat you read that

你后面的没有打完,但是可以看出后半句是一个强调句型,应该填 it,it is not how much you read but what you read that.