Recent campus tragedies show that safety measures are so important that we _______ take them too seriously.
---- If he had been warned, he ______ that food yesterday.---- Luckily he was sent to the hospital immediately.
The approach ______ the problem is contrary ______ our expectation.
What ______ me was that there was a ______ look on her face due to the ______ problem.
Our country ______ great changes in the last 30 years and it is no longer it used to be.
Every student as well as teachers who ______ to visit the museum ______ asked to be at the school gate on time.