ORBIS doctors     many patients, but patients do not have money to pay for the     .

Though she is CEO of a big company，she is a(n) ______ woman in the eyes of her family.

This kind of paper was as soft and light as silk but ______ expensive.

Although we met with some difficulties in building the railway, we were still _____ about finishing it before the deadline.

— Will you be         this afternoon, John?— I am afraid not. I have an appointment with my dentist.