—Would you like to tell me what our teacher said just now?—She said that light__________faster than sound.
Auckland is a most exciting city with people of many different cultures ______ there .
The old town has narrow streets and small houses _______ are built close to each other .
We have made _______great progress in the medical field, but ______ progress we have made is not enough.
I have many foreign friends, some are businessmen.
He used to ______ cards, but now he is used to _______ a walk after supper.