Without the happiness Jing brought to the family, my mother _____ for another six years.

Why does Sara know so much about Angkor Wat? 　 —She ____ have been there, or… [ ]

Washington ______ get very hot and sticky insummertime. July and August are usually the warmest months.

The light in the room is still on. Do you know_______—-In order to prepare for the coming exam.

ss so far has been very good _______, we are sure that the project willbe completed on time