Emergency line operators must always ________ calm and make sure that they get all the information they need to send help.
—Does your uncle still smoke? —He given it up. It’s two years ever since he .
I have little doubt about his competence; ______, he is well-qualified for the job.
Some young people these days just ______ go out of their homes to contact the real world.
Written in a hurry, _________________.
Only when _________________.