---Jane wasn’t in when Jack came, was she?---_____, but she returned a few minutes later.
— She didn’t come to school yesterday, did she?— ___________, though she was not feeling well.
—Did you have any problems in London ?—Yes, I have trouble ______ Chinese food like noodles.
—What is a writing brush, do you know?—It’s used ______ writing and drawing.
He used to ____in the sun, but now he is used to ____at night.
My father isn’t in good health now. I think he should pay attention____ exercise.