Is ____ necessary to complete the design before National Day?
——The room is dusty. _______________.
Will you _________ playing basketball?
Good friends usually share the same interest and agree _____ most things but sometimes they also disagree _____ each other _____something
The village is ______what it looked like when they settled their homes there 20 years ago.
finish the difficult task on time, we had to work day and night for weeks.