—Can we get everything ready by the weekend?—It all depends on ________ we can get Mr.Green’s cooperation.
To improve the quality of our products, we asked for suggestions _____ had used the products.
We believe that openness and honesty _____ the best relationships because that leads to trust and faith.
—Are you going to Dalian by air? —No, the tickets are ____expensive for me.
He will have learned English for eight years by the time he _____ from the university next year.
—Could you spare me one minute, Bob? I have a favor to ask you. —_____.