应该是:
longer
If you want to keep the books( longer),you need to renew them.
译为:如果你想借书长时间更长些,你需要去续借
之所以要填写longer
是因为是与之前的借阅时间进行比较
是更长了所以要用比较级
应该是:
longer
If you want to keep the books( longer),you need to renew them.
译为:如果你想借书长时间更长些,你需要去续借
之所以要填写longer
是因为是与之前的借阅时间进行比较
是更长了所以要用比较级