It’s cold outside. You need to _______ your sweater before you go out.
—Are you still afraid __________? —No, I’m not.
—I haven’t seen your grandfather for several years. Where has he gone?—Oh, he _____ for two years.
— 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.