There are sixty teachers in our school._____ of them are women.

Will you go to the airport to meet Mary—I’m sorry. I ______tired out since I prepared for the midterm exam.

How is the test that you took yesterday?— Unfortunately, not even one of the hundred students who took the test ______ passed.

They _____ friends since they met in Shanghai

Measures have been taken to prevent theaccidents, but much _____ for more improvement.