—Sorry, I’m late. Has the meeting begun?—It doesn’t matter. The meeting _______ for several minutes.
—Is Mike at home?—No. He _______ with his brother.
Tom is a good boy and he writes _________ in his class.
—Which colour do you like _______, blue or green? —Blue.
—______ you help me mend the radio? —Yes, I can.
There is ______ wrong with this computer. It doesn’t work.