The English play my students acted at the New Year’s party was great success .
29.—The cleaning must have taken you quite a long time yesterday. —Right.The rooms ______ for two months.
28.Kids are often told to remain ______ they are and wait for their parents if they get lost.
27.—What did you ______ while in college? —English, politics and economics.
26.I called Nancy many times but couldn't get through.Someone ______ on the phone all the time!
25.How convenient the public transportation is! There ______ be any difficulty traveling around.