New digital mobile phones definitely produce less radiation, but that doesn’t mean that they should be used without caution.
Car lovers often organize field sports in our country. It is an activity that they ______ without the benefits of a car.
The lady has an abnormal state of mind. Whatever happens, she always assumes ______.
—You didn’t go to Europe, why? —I _____ this morning, but I _____ to Shanghai because of an emergency .
Music should be taught routinely in schools because of the benefits ______ can have on the development of the brains of young children.
______ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.