In the current situation, ___________ the dollar goes above 1.85 reais, investors sell the greenback to take some profit.
It was the first time that Zhang Lin had spoken before hundreds of strangers and he spent several days __________ his lecture before he stepped onto the platform.
A tall man __________ and ordered everyone to stand still.
He __________ the agreement at the meeting in public and left angrily.
Everyone was trying to __________ a better idea to persuade him to stay.
— Honey, I have to say I can’t go to the party tonight. I’m so tired. — _____. Have some fun!