18.T appreciate that it's not easy for you, but you ______ try to get here on time.
It seems oil _____from this pipe for some time, we’ll have to take the machine apart to put it right.
—Why were you not at the concert? —I________ a close game between two European football teams.
—Why do you look so worried?—Fred left the company half an hour ago. His work _______ unfinished since.
Our team was ahead during the first half, but we ________ in the last ten minutes.
—Have you heard that Tom,along with his parents,______to Japan?—Really?No wonder I haven’t seen him these days.