Since his retirement from teaching music in 2001, Mr. Smith ______ a good deal of time painting as an artist.
We at the airport; otherwise we would have arrived home by lunch time.
There is no need for you to go on a diet; you are only slightly overweight ______ your height.
China needs to strike a balance between maintaining a ______ fast and stable development and economic structural adjustment.
The preschool children who watch TV programs with violent scenes are more likely to have sleep problems than those who watched programs for the age.
We need a (n) _______ team leader who can really motivate the members to work harder.