When you cross the street, you can never be _______ careful.
If they win the final tonight, the team are going to tour around the city ______ by their enthusiastic supporters.
---- Where is mother? ---- She is in the kitchen. She ______ the housework all morning.
---- How’s your new babysitter? ---- We ______ ask for a better one. All our kids love her so much.
----Please call me if there is a problem. ---- Thanks. I won’t ______ to ask for your help if I feel I need it.
______ in diving suits, they walk around in this magic world, lighted by the lamps of the ship.