Oh, it’s so cool in the house. You _______ have turned on the air-conditioner, haven’t you?
—Could I use your dictionary? —Sorry, it __________.
At the sight of her mother,the surprise in her face was ____ by joy.
___________ and I’ll get the work finished.
The harder you work at your lessons, the greater progress you ________.
--- She has been ill for a week. ----- I _____ with her at noon tomorrow.