— That's true. It's too difficult.
—Sure, one of them is that we can't go across the street ________the light is green.
—He will if he _____ his project in Australia.
—If it __________.
—Of course, it's ___________touching ________ I have seen several times.
— it's only a one-day trip, it's so meaningful to us.
—I'd love to. But nobody knows if it _______.
—Because I want to do more exercise I can lose weight.