—How can the problem be solved?—Well, we must __________ it to the president’s own judgment.
He is always serious and doesn’t like _____.
No one knows when such a custom first _____.
The students pretended_______ attentively when the teacher came in.
________ he returns to his native land.
--- Hi, Torry, can I use your computer for a while this afternoon? --- Sorry, _____________.