Only when the work is done ________ be able to go back home.
Sam spends two hours _______ his homework every day.
—Do you like swimming?—Yes, swimming is a good way _______ fit.
—Would you like to climb mountains with me this Sunday?—I’d love to. But I _______ play table tennis against Class Three.
—What about this pink skirt,madam?—This one is really beautiful. I will buy it_________it's a little expensive.
Only when the work is done ,___________ be able to go back home.