Choose the appropriate words to complete the sentences. 1) he turned and looked(after/at) us before he left the room. 2) the bike will serve longer if you look well(after/through) it. 3) the police were looking(for/through) a dangerous criminal in our neighbourhood. 4) i haven't read the book, i've just looked(forward to through) it. 5) they are looking(at/for) a new computer programmer for their office. 6 he had worked hard and was looking (for/forward to) a long holiday. 7. if you want to go away, i can look (after/for) your garden. 8. i looked (at/through) the sky, it was threatening with rain.