.Jack was still very calm, ______ the quarrel with the boss, and greeted every person he met on the way back to his office.
Does the way you thought of ________ the water clean make any sense?
In order not to be disturbed, I spend three days _______ in my study.
He tried to ________ in Japanese.
They ‘ll have other meetings like this in the weeks ________.
Not a single mistake _______ in the last test.