Just after putting away the dishes, _______.
According to what he complained about, something must have gone wrong with the computer, ______?
an important position in a big company, Richard has a good chance to improve himself.
It worries the couple a lot ______ their only son is behaving worse and worse these days.
People generally think that fairness and justice are at the centre of ______ they are striving for.
______ once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country.