He has two daughters , and _________of them are workers

 —Do you want to have some fish?—Yes, it smells _______________.

----Do you find this Maths problem__________?---Yes. I can work it out_______.

—Who is the most ___________ student in your class?—I think Jimmy is. He is very out going, helpful and creative.

-Can I have ________ bread? –Yes, you can.