The qualities that boys and girls consider important in a friend can be the same, ______ their family background or educational levelAnd ______ Tongtong, coming from Mianyang, he has a close friend to accompany him

When Marx was in London, he _______ read at the library for hours.

By the time the policemen broke into the house, the thief away through the window.

The girl acted properly and confidently during the jobinterview, which made a deep________on the employer.

It was she that _____ a sharp whistle, which makes ______ possible for us to catch the thief. [ ]