The number of people present at the concert was ________ than expected; There are many tickets left
She _______ his number in the phone book to make sure that she had got it right.
Teachers have to constantly update their knowledge in order to maintain their professional __________.
I don’t like fish, so I ________ eat it unless I was extremely hungry.
I have no idea ____________ measures the government will take to stop the river from being further polluted.
Scientists are convinced __________ the positive effect of laughter _________ physical and mental health.