Thank you for all your hard work last week. I don’t think we ____ it without you.

The project ______ last month but unfortunately it had to be prolonged because of the financial problem.

— I can’t find my dictionary anywhere.— You _____ have lost it while studying in the library.

Sir, you ______ be sitting in this waiting room. It is for women and children only. 

 One of the requirements for the experiment is that the material _____ to its burning temperature．