One of the most important questions they had to consider was__________ of public health
As a journalist, Joan finds _______ worthwhile to spend time chatting with people of different backgrounds and nationalities.
It was a time ________ volunteers from all over the world visited this nursing home regularly.
The new policy, if strictly______, is bound to benefit lots of low-income families
Time ______, I’ll arrange for you to meet Professor Li before you leave for Japan.
Out of______ for the wounded dog, Alice decided to take the abandoned animal home for treatment.