单项选择题
The wealth of a country should be measured()the health and happiness of its people as well as the material goods it can produce.
A.in line with B.in terms of C.in regard with D.by means of
单项选择题 When workers are organized in trade unions, employers find it hard to lay them()
单项选择题 It’s more () to buy a season ticket if you travel every day.
单项选择题 To study a foreign language,()