to finish the experiment today. Hemust be in the lab, ______

“Food Safety”problem is becoming______these days．﹣I think so．The government must do something to deal with it．

Your house is always so neat—how do you ______ it with three children?

John, how did your English exam go? — I thought I ____, but in fact I came in the top 10% in the class.[ ]

He asked them to come to his office one _____.