Rearrange the given words to complete the paragraph.
Changbin went to the library, but he didn’t know
1)
where the history books were
.
(were /
the history books /
where)
He looked for the manager, but she was not at her station.
He wondered
2)
why she was not there
, but found that she was arranging history books.
(there /
why /
was not /
she)
There he found the books he needed to study.
