It usually ________ Mum about half an hour to cook supper.
I always go to sleep ___________ the light on.
I___________ frustrated when I wasn’t sure of the correct answer.
— Can I get you a drink? — That’s very nice of you. I’ve already got _____.
The hospital opened 5 years ago. It_______ for 5 years.
Many students memorize the new words _______ them many times.