People in London have _______ between lunch and supper.

–Shall we go out for a walk? –Sorry. This is not the right __ to invite me. I am too tired to walk. 

_______ wear white uniforms and help doctors in hospital.

We have            shoes at very good price, two           of sports shoes for only $78.

–How well she sings!  ---Yes, she has a very sweet ____________.