--What did our teacher say at yesterday’s meeting?--So you _______ to him carefully then.
Before my father moved off, he told me again and again that I should __________ the rules and regulations of the school.
In this section, we will briefly describe possible ways of reducing the costs and risks __________ in doing this.
__________ work has been done to improve people's living standard.
North Korea threatens to __________ from six-party talks aimed at ending North Korea's nuclear program unless its proper rights are to be satisfied.
I had great difficulty __________ the suitable food on the menu in that restaurant.