Make the sentences interrogative. 1) liz and her sister often go skating to the skating-rink. 2) our teacher always prepares us for tests. 3) her dog likes to sleep on the sofa.

1) Do Liz and her sister often go skating to the skating-rink?
2) Does our (your) teacher always prepare us (you) for tests?
3) Does her dog like to sleep on the sofa?