It_____ have been Tom that parked the car here, as he is the only one with a car.
Around two o'clock every night, Sue will start talking in her dream. It somewhat __________ us.
—Shall I pick you up tonight? —No, thanks. Don't __________ to come. I can take a taxi.
I __________ very proud of myself after the quiz, __________ how easy it was and how I was sure to get a good grade.
—We are having a little party at the weekend. Can you and Mary come? — __________. Thank you. But I'll have to visit my grandpa.
Effective treatments do exist, but __________ they are very expensive.