单选题 Now it became customary for the husband to go out to paid employments, _____ the unpaid work of the home and family to his wife.
单选题 Language, culture, and personality may be considered _____ of each other in thought, but they are inseparable in fact.
单选题 Convinced of the importance of education, modern states “invest” in institutions of learning to get back “interest” in the form of a large group of _____ Young men who are potential leaders.
单选题 Some crops are relatively high yielders and could be planted in preference to others to _____ the food supply.
单选题 Over the past ten years, natural gas production has remained steady, but _____ has risen steadily.
单选题 With the introduction of the electronic computer, there is no complicated problem _____ can be solved in a few hours.