---"Would you like to give me a hand?--- Sure, .
—________ is it from here to the supermarket?—About twenty minutes’ walk.
—____ can you finish this English exam?—In about one and a half hours.
—________ does it take you to walk to school?—About 20 minutes.
—Do you go there by bike ________ by bus?—By bike.
What do you ________ the workers in the factory?