There are _____ floors in my house and my bedroom is on the _____ floor.
We ________ used computers years ago, but now they are everywhere.
---________ does your mother go for a walk?---Every afternoon.
---Do you want to tell us ________ important? ---No.
An Englishman always brings ________ umbrella.
The underlined part in the word “exercises” is pronounced (发音) as ________.