--- Who broke the window? --- I _____.
We have kept in __________ touch with each other for two years and he always gives me good advice on __________ phone.
We can't __________ to wait any longer or we'll miss the plane.
-If you do like the new house, why not buy it? -But it's really expensive. I can't __________ it.
__________ we gave him something to eat, he would save it up for his little sister.
Tim is in good shape physically __________ he doesn't get much exercise.