_______is my aunt, and _______are my brothers.

Excuse me, will the plane for Beijing _________within an hour?— I’m not sure. You can go to the Information Desk for help.

Bill is not _______brother. He is __________brother.

How was the performance last night?- It was so good. Though it ＿＿＿＿＿＿ nearly four hours, few people left early.

A lot of trees and flowers are on ______ of the river and the number of them is growing ______.