---Cathy seems to be very happy. ---Surely she is. Having passed all the tests, she felt a great weight__________off her mind.
Tell me how you work out the answer, _______ you?
“ Need he go?” “ Yes, he ______.”
“ Isn’t that Tom playing basketball?” “ It ______ be; he fell off the ladder yesterday and got badly hurt.”
“________ I have a glass of beer?” “ No, I’m afraid you ________.”
“ They went to the lecture, but it had been put off.” “ Oh, so they _______.”